6.7A, 6.7B, 6.7C Review

What is the force that pulls objects toward the center of the Earth?

• Friction

• Gravity

• Magnetism

• Normal force

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NGSS.MS-PS2-4

Which of the following is an example of friction in everyday life?

• A magnet sticking to a refrigerator

• A book sliding across a table and stopping

• A ball falling to the ground

• A car accelerating on a highway

Which force is responsible for keeping a book at rest on a table?

• Gravity

• Friction

• Normal force

• Magnetism

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NGSS.MS-PS2-4

Which of the following surfaces would likely have the least friction?

• Sandpaper

• Ice

• Carpet

• Grass

If an object is in free fall, what forces are acting on it?

• Only gravity

• Gravity and friction

• Gravity and normal force

• Gravity and magnetism

Tags

NGSS.MS-PS2-4

What is another term for a normal force?

• abnormal force

• reaction force

• applied force

• gravity

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NGSS.MS-PS2-1

The force that pulls objects towards each other.

• gravity
• friction
• mass
• weight

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Two factors that affect gravity

• mass and distance
• types of surfaces and how hard they are pushed together
• force and distance
• mass and direction

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NGSS.MS-PS2-4

 What is the unit that measures force?

• Weight
• Net force
• Newton
• Kilogram

As mass increases, what happens to the gravitational force?

• It increases.
• It decreases.
• It stays the same.
• It acts as a 3rd degree derivative function.

Tags

NGSS.MS-PS2-4

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