Fall Semester Exam

1. Which force is represented by the arrow at B?

• Force of Friction

• Force of gravity

• Tension Force

• Normal Force

1. Which force is represented by the arrow at A?

• Force of Friction

• Force of gravity

• Tension Force

• Normal Force

1. Which force is represented by the arrow at C?

• Force of Friction

• Force of gravity

• Tension Force

• Normal Force

During which interval is the cart moving forward at a constant speed?

• AB

• BC

• CD

• DE

During which interval is the cart accelerating?

• AB

• BC

• CD

• DE

What is the acceleration of the car during interval AB?

• 0.40 m/s/s

• 2.5 m/s/s

• 10 m/s/s

• 40 m/s/s

What is the average velocity of the car during interval CD?

• 7.5 m/s

• 15 m/s

• 17.5 m/s

• 35 m/s

During which of the following intervals is no unbalanced force acting on the car?

• EF

• BC

• FG

• CD

Which car has zero acceleration?

• A

• B

• C

• D

Which car is decelerating?

• A

• B

• C

• D