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1. A car is on a ramp in PG5. The friction acting on the tires points up the ram

ID: 1285123 • Letter: 1

Question

1. A car is on a ramp in PG5. The friction acting on the tires points up the ramp. Check all possible statements about the motion of the car.

The car could be moving up the ramp.

The car could be stopped.

The car could be moving down the ramp

2. A car is slowing down while driving up a ramp. Check all possible directions for the friction force acting from the surface of the ramp on the tires.

Up the incline

Down the incline

No friction

3. A car is speeding up while driving down a ramp. Check all possible directions for the friction force acting from the surface of the ramp on the tires.

No friction

Up the incline

Down the incline

4. You are driving down a ramp in PG5. You are applying the brakes and the friction acting on the tires points up the ramp. Check all possible statements about the motion of the car.

The car could slow down.

The car could move at constant speed.

The car could speed up.

5. You are driving up a ramp in PG5. Your foot is on the gas pedal and the friction acting on the tires points up the ramp. Check all possible statements about the motion of the car.

The car could slow down.

The car could move at constant speed.

The car could speed up

The car could be moving up the ramp.

The car could be stopped.

The car could be moving down the ramp

Explanation / Answer

1) The car could be moving down the ramp

2) Down the incline

3) No friction

4) he car could slow down

5) The car could speed up