Force and Motion!

What is the definition of a force?

• A push or pull

• a stopped object

• energy you use

• an object that is in motion

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Which of the following does every force have?

• A push

• A pull

• Strength and Direction

• Direction and Speed

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What force is Jack using to change the direction of motion of the rock?

• Pull

• Push

• Friction

• Gravity

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Brett pulls Katrina in a wagon while Jessica pushes. Brian walks beside them. Which person is NOT placing a force on the wagon?

• Brett

• Katrina

• Jessica

• Brian

Alice and Samantha are playing tug of war, but neither one is moving. What are they demonstrating?

• Push and Pull Forces

• Unbalanced Forces

• Balanced Forces

• Gravity and Friction

When Brett, Katrina, Jessica and Brian pull over Courtney, Ava and Mark in a game of tug of war, what are they demonstrating?

• Gravity

• Unbalanced forces

• pushes

• balanced forces

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When a batter swings and hits a pitched ball, how is he or she using force on the ball?

• To maintain the speed of the ball

• To pull the bat to the ball

• To change the direction of the ball

• To increase the pull of gravity on the ball

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Which force can you observe if you ride in a horse-drawn carriage?

• The horse pushes the carriage from behind.

• The horse uses a pull force

• Gravity keeps the carriage moving

• Balanced forces move the horse.

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How does a boy on a playground swing demonstrate regular motion?

• The swing moves back and forth in a predictable pattern.

• The boy swings higher when he is pushed

• Balanced and unbalanced forces cause his movement

• The boy is using a force to move the swing.

What can you tell by watching a merry-go-round in motion?

• Unbalanced forces will cause the ride to instantly stop spinning

• The direction it is spinning will suddenly change.

• Gravity will make it stop unexpectedly.

• Its next spin will be in the same direction as its last several spins.

Tags

NGSS.MS-PS2-1

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