Work and Energy Review

Front

Which scenario could represent the energy bar chart?

Back

A car applying their brakes on a level surface and coming to a stop

Front

What type of energy is present before a person lets go of a yo-yo held above the ground?

Back

Gravitational Potential Energy

Front

A box slides at a constant velocity across a frictionless floor. What type of energy is present?

Back

Kinetic Energy

Front

How will the Kinetic Energy change if an object's speed is doubled?

Back

It will quadruple

Front

A man pushes a boulder and the boulder does not move. Which statement correctly describes the scenario?

Back

no work is being done on the object

Front

Which two measurements must be parallel for work to be done?

Back

force and displacement

Front

Is work being done on a box carried across a room at constant velocity?

Back

No

Front

Is work being done by gravity when a man lifts a box into the air?

Back

Yes

Front

A box slides to a stop across a floor. Describe how the Mechanical Energy changes for the box-Earth system.

Back

It decreases

Front

A man lifts a weight above his head at constant velocity. Describe the mechanical energy of the weight-earth system.

Back

Mechanical Energy Increases