Energy, Work, Power & Simple Machines (Unit 5)

Front

Work is...

Back

the transfer of energy

Front

Which of these is NOT true about energy?
It can be converted from one form to another,
It is required in order for work to be done,
It can be stored,
It can be lost or created

Back

It can be lost or created

Front

At which position does the pendulum possess 100% kinetic energy? A, B, C, D, E

Back

C

Front

At which positions does the pendulum possess 100% potential energy? A & B, B & C, C & D, D & E, A & E

Back

A & E

Front

What can be said about the energy possessed by the pendulum at positions B and D?

Back

The pendulum has 50% PE and 50% KE at both B and D.

Front

What does the variable "g" represent in the formula for potential energy (PE = mgh)?

Back

gravity = 9.8 N/kg

Front

Back

The ball with the greater mass will have more kinetic energy.

Front

Which object in this image would have the LEAST potential energy? Options: Ball, Vase, Toy, Book

Back

Book

Front

The energy in coal is in the form of

Back

chemical potential energy

Front

The unit for work is the

Back

joule