Forces Topic Lessons

Which of the following is one of the five ways an object's motion can change:

• hit something

• bounce off something

• Speed Up

• fly off the table

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

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

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 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

Which force caused the jar lid to travel faster and reach the end of the meter stick first?

• the weaker force

• the stronger force

• both forces had the same effect

Tags

NGSS.HS-PS2-1

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 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.

A push or pull that can cause motion.

• velocity

• speed

• cause

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Speed in a particular direction

• force

• velocity

• motion

Which of the following pictures models Claim 1: The thrusters caused the pod to move in the opposite direction.

• 
• 
• 
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Tags

NGSS.MS-PS2-1