Chapter 2: Forces and Motion Review

Besides strength, or magnitude, what does every force have?

• magnetism

• friction

• direction

• gravity

Tags

NGSS.HS-PS3-5

A ball is rolled across four different surfaces with the same force. Which surface will slow the movement of the ball the most?

• tile floor

• grassy field

• paved road

• cement sidewalk

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NGSS.MS-PS2-2

How do electric and magnetic forces act on different objects?

• They either push or pull objects.

• They only push objects.

• They only pull objects.

• They only push or pull objects when they touch each other.

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NGSS.MS-PS2-5

What happens when an object accelerates?

• Only its direction changes.

• Only its speed changes.

• Its speed and direction do not change.

• Its speed or direction changes.

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NGSS.MS-PS2-2

NGSS.MS-PS3-5

When you ride a roller coaster, what makes your body rise out of its seat at the top of a hill?

When the sun is in the sky early in the morning trees form

• no shadows

• short shadows

• long shadows

• all sizes of shadows

Tags

NGSS.5-ESS1-2

True or False: The greater the net force acting on an object, the greater the acceleration of the object.

Tags

NGSS.MS-PS2-2

What always happens when the forces acting on an object are equal in strength and opposite in direction?

• The object moves.

• The motion of the object does not change.

• The object does not move.

• The object becomes heavier.

Tags

NGSS.HS-PS2-1

A force that requires two pieces of matter to touch is called a ________ __________.

A force that acts at a distance is called ___-________ __________. Examples of this are gravity, electric forces, and magnetic fields.

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NGSS.MS-PS2-5