Force and Motion Practice

Velocity must include...

• speed and direction

• just speed

• just direction

• Mrs. Jones arm wrestling the strongest person alive

An object that is sitting still has __________________________ forces acting on it.

• balanced

• unbalanced

• no

A boy pushes on a box and moves it across the room. This is an example of ______.

• balanced forces

• unbalanced forces

• potential energy

• chemical energy

Tags

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Objects in motion tend to stay in motion because of the property of __________________________ .

• Inertia
• Gravity

Tags

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________________________ describes when a moving object speeds up.

• Acceleration
• Gravity

• Friction

• Air Resistance

Tags

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Dori is the pitcher for her community softball team. What force causes the baseball to change direction when it is hit by the bat?

• The catcher’s force on the ball with his mitt.

• The batter’s force on the ball as he misses.

• The pitcher’s force on the ball as he throws.

• The batter’s force on the ball with the bat.

Tags

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The distance traveled in an amount of time is called ______________________ .

• Speed
• Velocity

• miles per hour

If you drop a rock in a lake, the force pulling the rock to the bottom of the lake is ______.

• gravity

• less resistance

• drag forces

• velocity

Tags

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What causes heat when rubbing your hands together?

• gravity

• air resistance

• friction

• velocity

Tags

NGSS.MS-PS3-5

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If two books are dropped from the same height and are the same size, will one book reach the ground before the other? Why?

• Yes, because the are both books.

• Yes, because there are unbalanced forces.

• No, because the force of gravity acts on them equally.

• No, because gravity will make them fall at different speeds.

Tags

NGSS.MS-PS2-2

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