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

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 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 forces are acting on a dropped book that falls to the floor?

• Gravity only

• Gravity and air resistance

• Air resistance

• Friction only

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which ball will hit the ground first?

• Metal first, then plastic, then wood last

• Wood first, then plastic, then metal last

• They will all hit at the same time

• There is no way to tell

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which object will hit the ground first?

• Object A because it is round.

• They will hit at the same time.

• Object B because it has a large surface area.

• There is no way to tell.

Tags

NGSS.MS-PS2-4