Physical Science Quiz

A measure of inertia is an object's

• mass

• weight

• velocity

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NGSS.MS-PS2-2

The first law of motion applies to

• only objects that are moving

• only objects that are not moving

• all objects, whether moving or not

The newton is a measure of

• mass

• length

• force

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Automobile seat belts are necessary for safety because of a passenger's

• weight

• inertia

• speed

Any change in an object's velocity is caused by

• the object's mass

• the object's direction

• an unbalanced force

Tags

NGSS.MS-PS2-2

___________ is a force that opposes the motion between two objects in contact with each other?

• Motion

• Friction

• Acceleration

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NGSS.3-PS2-1

Suppose you are pushing a car with a certain net force. If you then push with twice the net force, the car's acceleration

• becomes four times as much

• becomes two times as much

• stays the same

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NGSS.MS-PS2-2

Gravitational force between two objects ____________ as the objects get closer to each other and rapidly ____________ as the distance between the objects increases.

• gets stronger, get stronger

• gets weaker, gets weaker

• gets stronger, gets weaker

According to Newton's third law, when a 450 N teacher stands on the floor, that teacher applies a force of 450 N on the floor, and

• the floor applies a force of 450 N on the teacher

• the floor applies a force of 450 N on the ground

• the floor applies a force of 450 N in all directions

Tags

NGSS.MS-PS2-1

An example of action-reaction forces is

• air escaping from a toy balloon

• a ball bouncing off a wall

• Both a and b

Tags

NGSS.MS-PS2-1