Powers 7th Assessment PS2-1

First & Last Name

1. Choose which Law of Motion is best described below: Jenny uses the same force on a soccer ball and a bowling ball. The soccer ball rolls faster.

• First Law of Motion
• Second Law of Motion
• Third Law of Motion

2. Choose which Law of Motion is best described below: When Jose was rollerblading, he pushed against the ground and then he rolled forward. Choose all that apply.

• First Law of Motion
• Second Law of Motion
• Third Law of Motion

3. The resistance that one object has when moving over another object is known as ___________.

• Friction
• Inertia
• Unbalanced
• Acceleration

4. Which law is best described below? Mom put her cellphone on the dashboard. She had to stop the car suddenly when a dog ran across the street. Mom’s cell phone crashed into the windshield.

• First Law of Motion
• Second Law of Motion
• Third Law of Motion

5. If a boulder is rolling down a hill

• The only force at work is gravity
• The only force at work is friction
• There are several forces working at the same time
• The laws of motion do not apply because gravity is pulling the boulder down the hill

6. When a car crashes into a wall and and both the car and the wall are damaged, this is the result of which law of motion?

• First Law of Motion
• Second Law of Motion
• Third Law of Motion

7. What is the name of the unit of force?

• Gram
• AU
• Pascal
• Newton

8. For Every action there is

• An equal but different reaction
• Two more forces
• An equal and opposite reaction
• A hidden force

9. An object’s tendency to stay in the same state until a force acts upon it is known as

• Velocity
• Inertia
• Momentum
• Acceleration