Quiz - Center of Gravity

When the distance between two interacting objects tripled, the gravitational force is

• the same

• 1/3 as much

• 1/6 as much

• 1/9 as much

What is the centre of mass ?

• it is a single point at which the object can balance.
• The mass is distributed equally around it.
• the centre of gravity of the object
• All of the above

Why is the car on the right more stable?

• Its centre of mass is higher

• it has a wider base

• it has more height

• all of the above

Where is the center of mass for this soccer ball?

• On the surface of the ball

• Above the ball

• In the center of the ball

• To the left of the ball

Centrifugal means

• towards the center

• away from the center

• tangent to the circle

Center of gravity is usually located where

• more weight is concentrated

• less weight is concentrated

• less mass is concentrated

• more mass is concentrated

When the distance between two interacting objects doubles, the gravitational force is

• quartered

• half as much

• twice as much

• four times as much

Why is the car on the right more stable?

• Its centre of mass is higher

• it has a wider base

• it has more height

• all of the above

In what way is gravity reduced with distance from the earth

• one to one
• by the inverse square of distance

What would be the difference in your weight if you were five times farther from the center of the earth than you are now?

• 1/5
• 1/10
• 1/25
• 1/100