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4.2 Force and Motion

study cards for the Force and Motion unit

QuestionAnswer
Energy exists in what two states? kinetic and potential
What is the energy of motion? kinetic energy
Moving objects have what type of energy? kinetic energy
Which energy is stored (or waiting to be used) energy? potential energy
A rock on top of a hill has what type of energy - potential or kinetic? potential energy
A book on a shelf has what type of energy - potential or kinetic? potential energy
How fast an object moves in a certain amount of time is called what? speed
Any push or pull that causes an object to move, stop, or change speed or direction is called? force
To move a large (massive) object you will need greater or lesser force? greater
Forces are measured in units called? Newtons
Newtons are named after what British scientist who explained how force and motion are related? Sir Isaac Newton
What works against (opposes) motion and causes object to slow down and stop? friction
Unless acted upon by a force, objects in motion tend to stay in motion or remain at rest? stay in motion
Unless acted upon by a force, objects at rest tend to stay at rest or in motion? stay at rest
What property of matter states that an object at rest will stay at rest, and an object in motion will remain in motion unless acted upon by an outside force? inertia
What force is pulling you toward the Earth's surface? gravity
What is the force that is used to move an object a certain distance called? work
What is the ability to do work (either to make an object move or to change matter) called? energy
Created by: jasmanrl
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