Newtons 3rd Law

Which of the following is example of Newton’s Third Law:

• You jump on a trampoline. it springs you back into the air.

• A swimmer pushes against a pool wall to begin swimming a lap.

• A rocket’s thrust pushes it out of Earth’s atmosphere

• All of these

if one object A exerts a force on a second object B, then B exerts a force on A, and the two forces are equal in magnitude and opposite in direction

• true

• false

The recoil of a firing cannon is an example of Newton’s 3rd Law.

True or False?

• True

• False

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

• False

• True

Newton's are the unit used to measure...

• energy

• force

• weight

• mass

A book pushes down on a table with a force of 5N, the table..

• Pushes back with a force of 5N

• Pushes back with a force less than 5N

• Pushes back with a forcec greater than 5N

• Does nothing. A table has no force.

Arrows are used to show force, they represent strength and speed.

True or False?

• True

• False

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

Which ISN'T part of newton's 3rd law

• Jumping off the ground

• Hitting a baseball

• Rain in the sky

• A car sitting on the road

Force always come in________

• waves

• triplets

• pairs