Force and Motion Review

In order for an object to start moving, the force must come from

• the same direction as the object's motion

• the opposite direction as the object's motion

• any direction

In order for an object to speed up, the direction of the force is:

• in any direction

• in the same direction as the object's motion

• in the opposite direction of the object's motion

Tags

NGSS.3-PS2-1

In order for an object to stop moving, the force must come from

• the same direction as the object's motion

• the opposite direction as the object's motion

• any direction.

Tags

NGSS.MS-PS2-2

Complete the sentence to match your observations: When you exert a stronger force on an object, you will see ________ change in velocity as compared to exerting a weaker force on the same object.

• a greater

• a weaker

• the same

Tags

NGSS.MS-PS2-2

Which of the following pictures models this claim:

The thrusters caused the pod to move in the opposite direction.

• 
• 
• 
• 

Tags

NGSS.MS-PS2-1

A stronger force can cause a greater change in

• direction.

• velocity.

• mass.

Tags

NGSS.HS-PS2-1

If the same strength force is exerted on two objects, the object with ________ mass will have a _________ change in velocity.

• less, smaller

• more, greater

• more, smaller

• less, shorter

Tags

NGSS.MS-PS2-2

Which of the following is NOT TRUE about friction:

• Friction is a force that acts in the opposite direction of motion.

• Friction slows objects down.

• There is no friction on earth.

• Friction on carpet is greater than friction on a bare floor.

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

Jonny and Patty are pushing against a basketball. Both of them push against the ball on opposite sides with a force of 20 N to keep the ball still. What is the net force?

• 400 N
• 24 N
• 0 N
• 40 N

Tags

NGSS.MS-PS2-2