Physics Concepts: Motion and Forces

A push or pull exerted on an object in an effort to change that object's velocity

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A device that either multiplies or redirects a force

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NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

The rate at which an object moves

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NGSS.MS-PS3-1

The speed of an object in a given direction

A closed path through which electric current flows

Which 2 of the following represent velocity

• 50 miles per hour

• 20 feet per second north

• 16.2 meters

• 20 miles per hour west

An object __________ will stay that way until it is acted upon by an outside force

• accelerating

• in motion

When an object is acted on by one or more outside forces, the total force is equal to the ____________ of the object times the resulting acceleration.

• speed

• mass

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NGSS.MS-PS2-2

For every _________ there is an equal and __________ reaction

• force, stronger

• action, force

• opposite, force

• action, opposite

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NGSS.MS-PS2-1

Which is an example of a lever?

• block and tackle

• wheelchair ramp

• seesaw

• wood splinter