Balanced and Unbalanced Forces Test

An object that is accelerating can be described as a(n) _____________ force.

• unbalanced
• gravity
• physical
• balanced

Which is the best example of an unbalanced force? 

• A book resting on a shelf.
• A train accelerating from the station.
• A chair sitting motionless.
• A car driving at a constant speed.

An object at rest has equal forces acting on it. This can be described as a(n) _____________ force.

• unbalanced
• gravity
• physical
• balanced

 A skydiver falling to the ground is an example of:

• balanced force
• unbalanced force

A skier coming down a mountain is an example of:

• balanced force
• unbalanced force

A soccer ball after it was kicked is an example of:

• balanced force
• unbalanced force

Which direction will a barrel travel when the farmer applies a downward unbalanced force on a pulley?

• up
• down
• left
• no movement

A car accelerating from the start line is an example of:

• balanced force
• unbalanced force

The moon orbiting the Earth at a constant speed is an example of:

• balanced force
• unbalanced force

Which could be an example of a balanced force?

• An asteroid moving at a constant speed through space
• A car accelerating from a stop sign
• A box of dishes falling from a counter
• A rocket taking off