G6 Science M6 W2 (Quiz)

The more distant the body from Earth, the ​ (a)   ​ gravitational force of attraction.

• less
• gravity
• lesser
• higher
• center
• increases

Which of the following statements best describes friction?

• It is a force that occurs between solids and liquids.

• It is a force that occurs when surfaces touch each other.

• It is a force that occurs between only on rough surfaces.

• It is a force that occurs between solids.

The farther you are from Earth, the ​ (a)   your weight.

• lesser
• gravity
• higher
• center
• increases
• less

Which of the following is an example of increasing friction?

• spreading sand on a wet road

• waxing the underneath of ice skates

• squirting oil into the door hinge

• polishing the floor

The force of drag depends on the ​ (a)   of the boat and the viscosity of water.

• shape and size
• speed and time
• force and motion
• space and resistance
• distance and direction

How can you best reduce friction between the bottom or feet of furniture and the floor?

• by keeping furniture on their place

• by smoothing the floor

• by putting wheels or rollers on the bottom or feet of furniture

• by applying lubricants like wax on the floor

Sliding Friction is also called as ​ (a)  

• dry friction
• wet friction
• motion friction
• fluid friction
• rolling friction

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

• motion

• gravity

• magnetism

• friction

A ​ (a)   measures the force of gravity exerted on an object.

• spring scale
• weighing scale
• temperature scale
• electrical scale

A baseball and a sheet of paper are dropped at the same time from the same height. What will occur if there is no air resistance?

• The paper will float slowly through the air.

• The baseball will float slowly through the air.

• The baseball and the paper will land at the same time.

• The baseball will land first.