Physics Final Exam Review

What is the unit of measurement for Force?

• Kilogram

• Newton

• Meter

• Joule

The diagrams show forces acting on a toy car as it moves to the right. Which diagram shows the toy car that will most likely accelerate to the right based on these conditions?

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NGSS.MS-PS2-2

NGSS.MS-PS2-1

Which of the following is an example of an UNBALANCED force?

• Pushing a lawnmower

• Car traveling at a constant speed

• Person sitting in a chair

• Book sitting on a shelf

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NGSS.MS-PS2-2

If a rock is sitting motionless on the ground, what statement would best explain why the rock remains motionless?

• No forces acting on the rock

• Only force acting on the rock is gravity

• Forces acting on the rock are balanced

• Sidewalk is an unbalanced force

(a)   Mass = More Acceleration

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NGSS.MS-PS2-2

What is acceleration? Pick all that apply.

• Speeding up

• Slowing down

• Changing direction

• Constant Speed

Explain why this picture demonstrates Newton's 1st Law of Motion.

Explain why this picture demonstrates Newton's 2nd Law of motion.

Inertia is an objects ability to resist a change in motion... Which of the following best represents Inertia?

• When paddling a canoe, you push the oar backward and the canoe moves forward.

• A balloon playing around the room when the air is let out of it.

• A motorcycle requires less force to accelerate than a truck.

• Moving forward when your bicycle suddenly stops moving due to hitting a curb.

An object at rest remains at rest, and an object in motion remains in motion unless acted upon by an unbalanced force.

• 1st Law of Inertia

• 2nd Law of Force, Mass, Acceleration