Energy

Front

What is energy?

Back

The ability to do work.

Front

Potential energy

Back

stored energy

Front

What is kinetic energy?

Back

moving energy

Front

Units of force are:

newtons

,

grams

,

joules

,

meters

Back

newtons

Front

Units for work are:

newtons

,

joules

,

meters

,

seconds

Back

joules

Front

If you push a cart with a force of 60 N for 2 m, how much work have you done?

Back

120 J

Front

What is the formula for work?

Back

Work = force x distance

Front

A kid applies a force of 70 N to a ball over 1.1 meters. How much work did he do on the ball?

Back

77 J

Front

You do 90 joules of work in 30 seconds. How much power have you generated? Options: 30 watts, 3 watts, 120 watts, 270 watts

Back

3 watts

Front

Which of the following would produce the most power? Options: A mass of 10 kilograms lifted 10 meters in 10 seconds, A mass of 10 kilograms lifted 10 meters in 5 seconds, A mass of 5 kilograms lifted 10 meters in 5 seconds, A mass of 5 kilograms lifted 5 meters in 10 seconds

Back

A mass of 10 kilograms lifted 10 meters in 5 seconds