Unit #3 Study Guide

Which of the following is not a simple machine?

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Complex machines have two or more simple machines?

• True

• False

A block has a mass of 12 grams. It's force is 24 Newtons. What is it's acceleration?

• 2 m/s2

• 4 m/s2

• 6 m/s2

• 8 m/s2

The mass of a balloon is 6.5 grams. It's acceleration is 2 m/s2. What is its force in Newtons?

• 11.5 N

• 12 N

• 12.5 N

• 13 N

What is the mass of a car if its acceleration is 2 m/s2? Its force is 6 N.

• 2 grams

• 3 grams

• 4 grams

• 5 grams

Which of Newton's Law states that an object at rest tends to stay at rest; an object in motion tends to stay in motion

• 1st Law

• 2nd Law

• 3rd Law

• All of the above

Which of Newton's Law of Motion is best likely shown?

• 1st Law

• 2nd Law

• 3rd Law

• None of the above

Which of the following simple machines is likely shown?

• Pulley

• Wheel and axle

• Screw

• Inclined Plane

What type of simple machine is likely shown?

• Lever

• Inclined Plane

• Wedge

• Screw

Which choice best matches a lever?

• 
  Bicycle

• Seesaw

• Ramp

• Bolt