Forces and Acceleration

The present moves to the right because

• The applied force is bigger than the friction force

• The friction force is greater than the applied force

• The applied force and the friction force are the same

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NGSS.MS-PS2-2

Lizzie is pushing Alex on a scooter. Lizzie is pushing with a 75 Newton force to the left, and Alex is helping with a 20 Newton force to the left. What is the NET FORCE on the scooter?

• 95 N to the right

• 95 N to the left

• 55 N to the right

• 55 N to the left

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NGSS.MS-PS2-2

What direction is the present going?

• right

• left

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These forces are in opposite directions. How do you find the net force?

• Add

• Subtract

• Multiply

• Divide

Tags

NGSS.MS-PS2-2

The SI unit for acceleration is

• mph

• ft/sec²

• m/s²

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NGSS.MS-PS2-2

When an object is getting faster, it is called....

• potential energy

• kinetic energy

• acceleration

• deceleration 

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Acceleration: is the rate of change in ___________.

• speed

• distance

• velocity 

• displacement 

What is the net force and direction of the movement?

• 125 N to the left

• 125 N to the right

• 100 N to the left

• 100 N to the right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If the forces are acting in the SAME DIRECTION, how do you find the net force

• add

• subtract

• divide

• multiply

Tags

NGSS.3-PS2-1

What is the net force and direction?

• 15 N to the right

• 10 N to the right

• 5 N to the right

• 5 N to the left

Tags

NGSS.MS-PS2-1

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