8th Review Part 1

A student places a ball on the ground and kicks it hard. The ball moves along the ground. Which statement is true?

• The kick decreases the weight of the ball

• The kick applies force, which changes the direction of the ball.

• The kick decreased the force of gravity acting on the ball.

• The kick removes friction between the ball and the ground.

Tags

NGSS.MS-PS2-2

You have two objects of the same mass that collide. If they are going the same speed when they collide. What would be the result of the force?

• The net force is going towards the left.

• The net force is going towards the right.

• The net force is zero. The forces will cancel each other.

Tags

NGSS.MS-PS2-1

Which ball would create more force upon impact?

• a fast moving ball

• a slow moving ball

• a ball at rest

• none of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A force is described as . . .

• a push only

• a pull only

• a push or a pull

• none of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which person in the diagram is moving the fastest?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

What unit do scientists use to measure force?

• Newton

• Grams

• Meters

• Meter per second per second

The moon has a smaller mass than the Earth. If you were able to travel to the moon your weight would...

• Increase

• Decrease

• Stay the same

• Vary with day and night

Tags

NGSS.MS-PS2-4

Which force always pulls downward on objects?

• Support force

• Friction force

• Gravity

• Air resistance

Tags

NGSS.MS-PS2-4

Test paper is sitting at rest on your desk. Which of the following statements best describes this situation?

• There are no forces acting on your paper.

• Your paper pushes on the desk only.

• The desk pushes on your paper only.

• The forces acting on the paper are balanced.

What is the FORCE? 

• 5 N
• 10 N
• 400 N
• 0 N

Tags

NGSS.3-PS2-1