GRAVITY AND FRICTION REVIEW

Which of the following statement IS NOT true about Gravity?

• draws objects towards the center of the earth

• determines your weight here on Earth

• pushes an object upward

• pulls objects downward

A card parked on a sloping road

• GRAVITY

• FRICTION

A boy sits on a grassy slope. Which of these stops him from sliding down?

• friction

• gravity

• magnetic force

• weight

Where is the gravitational force directed as you stand on the floor?

• backward

• downward

• forward

• upward

What force do the brakes on a bicycle produce to stop the bike?

• friction

• gravity

• magnetism

• electrical

Which shows that sometimes friction is undesirable?

• pushing furniture

• lighting a matchstick

• walking on wet floors

• using the brakes when approaching a stoplight

A skydiver falls through the air with her parachute open.

• GRAVITY

• FRICTION

The moon revolves around the earth.

• GRAVITY

• FRICTION

You write a letter on a piece of paper using your pen.

• GRAVITY

• FRICTION

You keep on walking on Earth instead of floating away into space.

• GRAVITY

• FRICTION