Forces and Simple Machines Quiz

What can forces between objects cause?

• A change in size

• A change in temperature

• A change in motion

• A change in color

Tags

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What is gravity?

• A pushing force

• A sideways force

• A pulling force

• A stopping force

What does friction do to a moving object?

• Makes it float

• Slows it down

• Changes its color

• Speeds it up

Tags

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What happens to a thrown ball?

• It floats in the air

• It falls because of gravity

• It speeds up

• It changes color

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What is a simple machine?

• A device that changes color

• A device that makes work harder

• A device that makes things heavier

• A device that changes the direction or size of a force

What is a lever used for?

• To change the color of an object

• To make things heavier

• To push, pull, or change the direction of a force

• To make things float

Tags

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What is a wheel and axle?

• A device that changes the color of objects

• A device that makes things heavier

• A device that consists of a rod attached to a wheel

• A device that makes it harder to move things

Tags

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What does a simple machine help us do?

• Make work easier

• Make work harder

• Make things heavier

• Change the color of objects

What is friction?

• A force that works against motion

• A force that speeds up objects

• A force that makes things float

• A force that changes color

Tags

NGSS.MS-PS2-2

What is the fixed point on a lever called?

• Fulcrum

• Wheel

• Rod

• Axle