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Holt Science & Technology Forces, Motion, and Energy Chapter 2 Review
Terms in this set (27)
The motion of a body when only the force of gravity is acting on the body.
The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity.
Mass x Velocity
Mass x Acceleration Due to Gravity
Metric Unit of Weight
Metric Unit of Mass
The curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth.
The unbalanced force that causes objects to move in a circular path.
An object is in ________________ if gravity is the only force acting on it.
Objects in orbit appear to be ________________ because they are in free fall.
Vertical and Horizontal Motion
The two components of projectile motion
Newton's First Law of Motion
Objects at rest remain at rest and objects in motion stay in motion unless acted on by an unbalanced force.
Newton's first law describes the motion of an object that has a net force of _________ acting on it.
The combination of all the forces acting on an object.
The tendency of an object to resist being moved or if the object is moving to resist a change in speed or direction until an outside force acts on the object.
_______ is a measure of inertia.
Newton's Second Law of Motion
The acceleration of an object depends on the mass of the object and the amount of force applied.
Force and Mass
Acceleration depends on ________________.
Newton's Third Law of Motion
For every action, there is an equal and opposite reaction.
Action and reaction forces are present even when there is no ______________.
Action and reaction forces.
A quantity defined as the product of the mass and velocity of an object.
The Law of Conservation of Momentum
Any time objects collide, the total amount of momentum stays the same.
Momentum is a property of _______________.
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