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Definition
| Any push or pull on an object |
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| When two opposing forces on an object are equal |
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| When there is a net force acting on an object |
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| Italion thinker who stated that objects resist any change in motion |
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| The tendency of an object to resist any change in it's motion |
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| An english mathmatician who explained the way forces will affect the way things move through his three laws of motion |
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| This force acts in a direction opposite to an object's direction of motion |
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| An attractive force between any 2 objects that have mass |
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| The type of resistance objects experience when they fall thru the air |
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| The measure of gravity's pull on an object |
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| The measure of the amount of matter in an object |
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| A device with which you can do work more easily |
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| A device that is thick at one end and tapers to a thin edge at the other end |
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| An inclined plane wrapped around a cylender |
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| A rigid bar that is free to pivot around a fixed point |
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| The fixed point around which a lever rotates |
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| A simple machine made of 2 circular objects fastened together that rotate |
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| A rope or chain that is wrapped around a grooved wheel |
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| A machine that is made up of 2 or more simple machines |
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| Toothed wheels that fit into one another |
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| What causes things to accelerate? |
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Definition
| When forces act on objects |
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Definition
| An Object at rest will stay at rest |
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| Force= mass X acceleration |
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| For every action there is an equal and opposite reaction |
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| Difference between Mass and Weight |
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Definition
Mass is the measure of the amount of matter in an object
Weight is measure of the gravitational pull on an object |
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| Names and Examples of 6 types of simple machines |
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Definition
Inclined Plane: Ramp
Screw: Bottom of light bulb
Wedge: Axe head
Lever: Your elbow
Pulley: Flag Pole
Wheel and Axle: Your car |
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| Why would you weigh more/less on a different planet? |
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Definition
| The size of the planet... the more mass the planet has the more gravitational pull so you will weigh more |
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| Why do things fall to earth? |
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| Bending of waves due to a change in speed |
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| The highest part of a wave |
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| Travel as longitudal waves |
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| Underwater earthquakes cause these kind of huge waves on the surface |
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| The lowest point of a wave |
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| The distance particles moves from the rest position to maximum weight |
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| Can be used to detect seismic activity and can also be used to detect valuable resources |
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| Waves that move the particles of the medium perpendicular to the direction that the waves are traveling are called |
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