Forces Review

What causes the moon to revolve around the earth?

• friction

• gravity

• applied force

• magnetism

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

A magnet will attract a paper clip

• true

• false

Tags

NGSS.MS-PS2-5

Force of friction is in the same direction an object is moving

• true

• false

A horse pulls 200 N to the left but is still balanced. What is the reaction force?

• 0 N

• 200 N to the left

• 200 N to the right

• 400 N to the right

Tags

NGSS.MS-PS2-1

Two friends are pushing a stalled car each pushing with a force of 125 N. What is the net force on the car?

• 125 N

• 0 N- it's balanced

• 250 N

Tags

NGSS.MS-PS2-2

Magnetism is a _____force that can be either a push or pull. Magnetic force is exerted when a magnet interacts with _______ or with another magnet.

• contact/non-metals

• non-contact/non-metals

• contact/metals

• non-contact/metals

Tags

NGSS.3-PS2-3

One worker pushes with a force of 150 N and the other pushes with a force of 180 N in the same direction. What is the total net force?

• 0 N- it's balanced

• 30 N

• 330 N

• 180 N

Tags

NGSS.MS-PS2-2

what is Newton's 3rd law of motion?

• law of reaction

• law of action/reaction

• law of positive/negative

Tags

NGSS.MS-PS2-1

what is the net force of the box?

• 20 N to the right

• 30 N to the left

• 50 N to the right

• 20 N to the left

Tags

NGSS.MS-PS2-2

which type of friction is seen in this image

• rolling

• sliding

• static

• fluid