NCEA Level 3 Physics – Mechanics Practice Exam

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• What is the specific force required to keep an object in circular motion?
• What principle does the law of conservation of energy illustrate?
• What effect does increasing the distance of mass from the axis of an object's rotation have?
• What is the term for the distance from the center of a circle to its outer edge?
• What is the definition of work done in physics?
• In an inelastic collision, which of the following is not conserved?
• Which of the following best describes the restoring force in simple harmonic motion?
• What happens at terminal velocity?
• What principle states that every object in the universe is attracted to every other object?
• The frequency of vibration of an elastic object depends on which of the following factors?
• What is the primary role of potential energy in a pendulum movement?
• Which of the following correctly defines a scalar quantity?
• How can you calculate the resultant force acting on an object?
• What type of energy is stored in an object due to its height or configuration?
• What is the relationship between work and movement?
• How is momentum defined in relation to force?
• Which of the following accurately classifies types of forces?
• What distinguishes elastic collisions from inelastic collisions?
• What distinguishes scalar quantities from vector quantities?
• What is the term for the actual length of the path traveled by an object, regardless of direction?
• What kind of objects experience oscillatory motion?
• How is pressure defined in physics?
• Which of the following units is NOT commonly used to express force?
• Which of the following best defines angular momentum?
• What is an example of a projectile?
• Which of the following describes a vector quantity?
• What does Newton's second law of motion relate to?
• How is work calculated in physics?
• What is the force that attracts a body toward the Earth called?
• What type of acceleration occurs when the velocity of a body changes by unequal amounts during equal time intervals?
• What is the basic concept of projectile motion?
• When the velocity of a body increases by equal amounts in equal intervals of time, this is known as?
• What is necessary for an object to be in uniform circular motion?
• In physics, what does amplitude refer to in oscillatory motion?
• What is the work done when a force is applied at an angle of 90 degrees to the direction of movement?
• What happens to the momentum of an object if its mass is doubled while its velocity remains constant?
• What does the formula P = P0 + ρgh describe?
• How does mass distribution affect an object's moment of inertia during rotation?
• What happens to an object under free fall?
• What term describes the total momentum of a closed system remaining constant without external forces?
• What describes the change in the position of an object in a specific direction?
• What is the approximate value of acceleration due to gravity on the surface of the Earth?
• How is frequency expressed in radians per second referred to?
• How does weight change with an increase in mass?
• What is an orbit characterized by having a constant radius called?
• What unit of force is defined as the force needed to accelerate a 1 kg mass at 1 m/s²?
• What do we call it when a number of forces act on a body and the resultant force is not zero?
• What principle states that energy can change forms but is always conserved?
• What term describes a motion in which there is no gain or loss in gravitational potential energy?
• Which law of motion implies that if you push a stationary object, it will not move unless there is enough force?
• What effect causes the loss of energy during simple harmonic motion?
• What does non-uniform velocity indicate about an object's motion?
• Which type of motion involves a body oscillating about a mean position?
• What is absolute zero in thermodynamics?
• Which statement about buoyancy is correct?
• What is the term used to describe one full rotation around a point?
• What principle states that mass is neither created nor destroyed in a chemical reaction?
• What term refers to the resistance of an object to changes in motion?
• How is the normal force acting on an object determined?
• Which term describes the maximum displacement from the equilibrium position during oscillatory motion?
• What is the effect called when a pendulum swings in a way that each swing takes the same amount of time?
• What type of motion describes an object moving back and forth around a central point?
• What does the ideal gas law relate?
• In physics, what is the term for force that causes deformation in materials?
• When a mass reaches its highest point in a swing, what type of energy is maximized?
• What does the combined mass refer to in interactions?
• Which force opposes the stretching of an object?
• In which type of motion does the distance covered change during equal time intervals?
• What is the physical interpretation of change in momentum?
• What best defines frictional force?
• What does it mean for forces to be conservative in a physical system?
• What is the rate of change of velocity called?
• In a collision, what dictates if momentum is conserved?
• Which type of energy is possessed by a body due to its motion?
• What term is used when an object moves uniformly in a straight line?
• What does Newton's first law of motion describe?
• What is the unit of angular acceleration?
• What describes the condition when the resultant force on a body is zero?
• What force acts on two objects due to their masses?
• What force resists the motion of one surface relative to another?
• What is the numerical value of the universal gravitational constant?
• What is the unit of work in the International System of Units (SI)?
• What is the name for the force that restores an oscillating body back towards its mean position?
• What concept measures the reluctance of an object to change its rotational state?
• What is defined as the ratio of the output force produced by a machine to the input force applied?
• Which concept refers to the force exerted by a spring when it is compressed or stretched?
• What is the term for the force required to stretch or compress a spring by one metre?
• Which of the following best describes an inertial reference frame?
• Which of the following situations would illustrate an increase in gravitational potential energy?
• What is the definition of rotational motion?
• What is the term for negative acceleration?
• What is defined as the change in motion or shape of a body?
• What does the term "projectile range" refer to?
• What is an object called that is thrown into space and affected by gravity?
• What term refers to the rate of change of angular velocity of a rotating body?
• What characterizes non-uniform speed?
• What happens to kinetic energy if the speed of an object doubles?
• What is a harmonic oscillator?
• Which term refers to the manner of how a body moves?
• What effect does air resistance have on a falling object?
• What term refers to the force of attraction between two objects due to their mass?
• What is a scale diagram used for in vector analysis?
• What does the principle of conservation of momentum state?
• In which case would a vector quantity be represented?
• What are the two components that a vector can be separated into?
• What does the work-energy theorem state?
• Which term defines the tendency of an object to resist changes in its state of motion?
• What is the primary characteristic of action-at-a-distance forces?
• What is the name of a mass tied to a string that swings back and forth?
• In a vacuum, what happens to a projectile's horizontal motion compared to its vertical motion?
• What is the universal constant G used in the equation for Newton's law of gravitation?
• What is the term for the imaginary line about which a planet rotates?
• What is the angle described at the center of the circle by a moving body along a circular path called?
• What is the product of mass and angular velocity for an object undergoing circular motion called?
• Which formula represents gravitational potential energy?
• What is the term for negative acceleration when the velocity of an object decreases over time?
• What does weightlessness refer to?
• What is referred to as the initial position of an object in physics?
• What is the energy called that is stored in a gravitational field when an object is moved upwards?
• What term describes the quantity of matter contained in a body?
• What is the role of a fulcrum in a lever system?
• Which type of collision conserves kinetic energy?
• What is the formula for average velocity?
• The motion of an object in a circular path with uniform speed is known as?
• Which equation represents elastic potential energy?
• What is the significance of an object's center of mass in motion?
• What characterizes simple harmonic motion?
• How is efficiency defined in the context of mechanical systems?
• What is the position where mass seeks to be during simple harmonic motion known as?
• Which of the following defines the term 'friction'?
• What is the relationship between work, energy, and power?
• What is work defined as in physics?
• What measures the strength of the gravitational field at a particular point?
• What type of motion involves a body moving along a circular path?
• What is the mathematical relationship between total energy before and after a transformation?
• What kind of movement does not involve any net force?
• When an object moves in a circle at constant speed, what type of acceleration does it experience?
• What type of motion involves constant change in both speed and direction?
• During a roller coaster ride, how is energy conserved?
• What does torque measure?
• What are conservative forces characterized by?
• In what type of collision is kinetic energy conserved?
• What is defined as the difference between momentum after and momentum before an event?
• What characterizes an isobaric process in thermodynamics?
• When a body travels along a straight line in a particular direction and covers equal distances in equal intervals of time, it is said to have?
• What is a unit of torque?
• Which term refers to the fixed point around which an object rotates?
• Which of the following correctly describes a property of vector quantities?
• What type of motion describes a body moving in a straight line?
• What does conservation of angular momentum state?
• What is the primary difference between energy and work?
• How is the change in velocity defined?
• How is angular momentum defined?
• How is the acceleration due to gravity near Earth's surface usually approximated?
• What term describes the time taken by a projectile from the moment it is thrown until it touches the ground?
• What does Newton's third law of motion state?
• What does Kepler's first law of planetary motion state?
• What is defined as a body's change in position concerning a fixed point?
• Which of the following quantities is always a vector?
• How is power calculated according to the physics definition?
• Which of the following quantities is necessary to define a vector?
• What type of acceleration occurs when an object's speed decreases over time?
• Which of the following variables does NOT relate to the ideal gas law?
• What term describes a body that does not change its position relative to a fixed point?
• What determines the center of mass of an object?
• How is net force best defined?
• What is a set of formulas used to mathematically describe motion called?
• What is the term for when two objects hit each other?
• What factor does not change when the mass of an object is increased while keeping its velocity constant?
• What does velocity represent?
• What does a positive angular displacement indicate about the direction of motion?
• What is the term for the maximum displacement of an oscillating object from its rest position?
• What determines the direction of the frictional force?
• What is the relationship between force, mass, and acceleration as defined in Newton's second law?
• What describes the motion of a body solely due to gravity with no other forces acting?
• What is the relationship between frequency and period?
• What does gravitational field strength depend on?
• What type of force is directed towards the center of a circular path?
• What is the minimum velocity needed for an object to escape into space?
• Which of the following describes the energy an object has due to its height above the ground?
• What term is used to describe a change in velocity?
• Which of the following statements about elastic collisions is true?
• In which situation does terminal velocity occur?
• The distance covered by an object in one unit of time is referred to as its:
• Which type of motion occurs when a restoring force is opposite to and proportional to a displacement?
• What property describes an object's resistance to changes in its state of motion?
• How is gravitational potential energy calculated?
• Which formula represents uniform acceleration?
• What process involves numerically adding vectors by using Pythagoras' theorem to calculate magnitude and direction?
• What is the rate of change of angular displacement of a rotating body known as?
• Which type of collision occurs when kinetic energy is not conserved?
• What is defined as the upward force exerted by a fluid on a submerged object?
• How are mass and weight related?
• When an object is subjected to elastic potential energy, what changes occur?
• In the context of motion, what does 'apparent weight' mean?
• Which force is responsible for pulling objects towards the Earth?
• What is the term for the property of matter that resists changes in its state of rest or uniform motion?
• What defines the rate at which work is done or energy is transferred?
• What is the term for a turning force not applied through the centre of mass?
• What is the definition of centripetal force?
• Which formula expresses acceleration?
• What do we call it when a body travels equal distances in equal intervals of time?
• In physics, what describes a situation in which an object experiences no net force acting upon it?
• What does the term 'centripetal acceleration' refer to?
• What does the formula \( W = mg \) signify in physics?
• How does pressure change as depth increases in a fluid?
• What is the term for the speed of an object that remains constant?
• What is defined as the motion of an object in a circular path?
• What is the term for the velocity that is perpendicular to the centripetal force at a given moment?
• What term describes the time taken for one complete cycle of a vibration?
• How do simple machines provide mechanical advantage?
• What is the speed of an object moving in a vertical circle?
• Which type of quantity does distance represent?
• How does increasing the length of the pendulum affect its period?
• In free-fall, what happens to the apparent weight of a body?
• What principle states that a body remains at rest or moves uniformly unless acted upon by an external force?
• What is the product of a body's mass and velocity known as?
• Which type of forces occur when multiple forces act on a body and cancel each other out?
• Vector quantities can be separated into which types of components?
• What is defined as anything that occupies space and has mass?
• Which of the following factors does NOT affect the period of a simple pendulum?
• What term describes how much a spring is extended?
• How is momentum mathematically defined?
• Which process occurs at constant volume?
• Which scenario represents circular motion?
• At what temperature is absolute zero defined?
• What is an example of a system exhibiting conservation of angular momentum?
• What characterizes circular motion in physics?
• How is kinetic energy defined?
• According to Newton's law of gravitation, how is the force between two particles determined?
• What is the resulting force after all forces have been added using vectors called?
• What is defined as the change in momentum caused by an external force?