Imprimir Froggy Jumps: Friction Force Quiz ()

1. What is the force that opposes the motion of an object on a surface?

A

Friction force

B

Magnetic force

C

Gravity force

2. Which type of surface would generally have more friction?

A

Smooth surface

B

Wet surface

C

Rough surface

3. What unit is used to measure friction force?

A

Newton

B

cm

C

Apples

4. Which surface would have less friction when an object slides on it?

A

Sandpaper surface

B

Ice surface

C

Rubber surface

5. What is the direction of friction force acting on an object?

A

Same as the direction of motion

B

Opposite to the direction of motion

C

Perpendicular to the surface