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# March Test Review

### Newton's 3rd Law and Changes in Force and Motion

What does it mean to collide? To strike or hit something with any amount of force This is a correct answer
What is net force? The sum of all forces acting on an object This is a correct answer
What is Newton's 3rd Law? For every action, there is an equal and opposite reaction This is a correct answer
What is motion? A change in position compared to other object This is a correct answer
A baseball bat hits a baseball with a force of 100 Newtons. What the force and direction exerted by the ball on the bat? The force is 100 Newtons in the opposite direction. This is a correct answer
If someone jumps off the skateboard, the skateboard will roll backwards because: It has an equal and opposite force pushing the skateboard backward.
Why do you think the nozzle is at the bottom of the rocket? The rocket pushes the gases backward and the gases push the rocket forward. This is a correct answer
What should you to do change the force on a rocket? I would change the amount of air pumped into the rocket. This is a correct answer
Two examples of Newton's 3rd Law A rocket and a balloon going up
A hammer's head is made of steel. What force is it resisting? The force of the nail pushing in the opposite direction. This is a correct answer
A girl exerts a force of 100 N to shove a boat away. What does the boat do? Force of the boat exerted on the girl is 100 N. This is a correct answer
As mass increases, force must increase too.
What is happening when a boulder sits on top of a mountain? The boulder is at rest due to the gravitational force. This is a correct answer
What could you do to get a larger reading on a spring scale? Use a 20 gram mass
Brylie is bowling with a 10-pound ball; Jadyn is using a 12-pound ball. Brylie is winning...by a lot. Jadyn needs to get a lighter bowling ball.
What does Mrs. Goff wish? That all Hero students would score well on today's test!
Created by: goffteam