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Quick TrainerNewton's Laws and Core Mechanics Terms
Master Newton's three laws and the essential vocabulary of classical mechanics.
Science32 items3 levelsDifficulty 3/5
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Levels
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1
Core Concepts
10 items
2
Newton's Laws & Quantities
11 items
3
Advanced Terms
11 items
All 32 cards
What physical quantity measures the amount of matter in an object?
mass
What is a push or pull that can change an object's motion?
force
What is the rate of change of position with respect to time?
velocity
What is the rate of change of velocity with respect to time?
acceleration
What is the speed of an object regardless of direction?
speed
What SI unit is used to measure force?
newton
What is the gravitational force acting on an object's mass called?
weight
What is the total distance traveled per unit time?
speed
What is the straight-line distance and direction from start to end called?
displacement
What force opposes the relative motion of surfaces in contact?
friction
State Newton's First Law (in one term): an object's tendency to resist changes in motion.
inertia
What equation expresses Newton's Second Law?
F = ma
Newton's Third Law states that every action has an equal and opposite what?
reaction
What quantity equals mass times velocity?
momentum
What is the capacity to do work called?
energy
What is the energy of motion called?
kinetic energy
What is stored energy due to position or configuration called?
potential energy
What quantity is force applied over a distance?
work
What is the rate at which work is done?
power
What SI unit measures energy and work?
joule
What SI unit measures power?
watt
What is the turning effect of a force about a pivot called?
torque
What is the product of force and the time over which it acts?
impulse
What is the rotational analog of mass, resisting angular acceleration?
moment of inertia
What is the average position of an object's mass called?
center of mass
What apparent force is needed to keep an object moving in a circle, directed inward?
centripetal force
What is the rotational equivalent of linear momentum?
angular momentum
What is the constant of proportionality between friction force and normal force?
coefficient of friction
What force does a surface exert perpendicular to an object resting on it?
normal force
What is the property of a system whereby total momentum stays constant if no external force acts?
conservation of momentum
What term describes the equilibrium state where net force is zero?
equilibrium
What is acceleration due to gravity near Earth's surface, approximately?
9.8 m/s²
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