Newtons 3rd Law

Newton’s law states that for every action, there is an ________ reaction.

• unequal and opposite

• equal and similar

• stronger and opposite

• equal and opposite

Tags

NGSS.MS-PS2-1

When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

• False

• True

Tags

NGSS.MS-PS2-1

Action reaction forces never cancel each other out because

• They act on different objects.

• They act on the same objects

• They do not act on objects.

Tags

NGSS.MS-PS2-1

How is this an example of Newton’s Third law?

• Only the ball is using the head

• They are both exerting an equal force on each other

• Only the head is pushing the ball

Tags

NGSS.MS-PS2-1

Action-reaction pairs can cause a change in motion.

• True

• False

Tags

NGSS.MS-PS2-1

Force always come in________

• waves

• triplets

• pairs

Tags

NGSS.MS-PS2-1

When a heavy football player and a light one run into each other, who exerts more force

• The light one

• Their force are equal

• The heavy one

Tags

NGSS.MS-PS2-1

The forces in a force pair are in _______ direction

• opposite

• same

Tags

NGSS.MS-PS2-1

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

Tags

NGSS.MS-PS2-1

What happens to the balloon if the air is released ?

• Balloon goes right

• Balloon goes up

• Balloon goes down

• Balloon goes left

Tags

NGSS.MS-PS2-2