Forces and Gravity

What is the net force?

• 30 N left

• 25 N right

• 5 N left

• 55 N right

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NGSS.MS-PS2-1

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The motion of a falling object when the only force acting on it is gravity

• Free fall

• gravity

• net force

• air resistance

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NGSS.MS-PS2-4

The constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity

• constant acceleration

• starting velocity

• terminal velocity

• speed

What is the combination of all forces acting on an object called?

• unbalanced force

• balanced force

• net force

• all the forces

Tags

NGSS.MS-PS2-2

 What is the unit called that measures force?

• weight

• meter

• Newton

• kilogram

What direction does friction act relative to motion?

• in the same direction

• in the opposite direction 

• need more information

• depends on the force

Sally experiences-

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction

What is defined as a push or pull?

• force

• motion

• vector

• speed

Tags

NGSS.MS-PS2-1

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How will this object move? 

• It won't move. 

• It will move to the right. 

• It will move to the left. 

• It will move in both directions. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 40 N left

• 0 N Balalnced

• 400 N right

• 40 N right

Tags

NGSS.MS-PS2-2