Force & Motion

What will happen if you were to drop a 16mm steel marble and a 16mm cork marble onto the floor from the same height and at the same time?

• The steel marble will land first.

• The cork marble will land first.

• Both the steel marble and the cork marble will land at the same time.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

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

When you slide a box across the floor, what force must your push be stronger than?

• Support Force

• Friction Force

• Gravity

• Air resistance

Tags

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

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NGSS.MS-PS3-1

What unit do scientists use to measure force?

• Newton

• Grams

• Meters

• Meter per second per second

What is the net force on the box shown in the picture?

• 10 N to the left

• 10 N to the right

• 60 N to the left

• 50 N to the right

Tags

NGSS.HS-PS2-1

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