Potential and Kinetic Energy

Front

Calculate the kinetic energy of a bicycle with mass 20 kg and velocity 10 m/sec using KE = 1/2mv².

Back

1000 J

Front

Energy CAN BE __________.

Back

changed in form

Front

If a man is pulling a wagon up a hill, describe what is occurring in terms of energy. Options: Decreasing Potential energy, Increasing Kinetic energy, Increasing Potential energy, Decreasing Kinetic energy, Both potential and kinetic are increasing, Both potential and kinetic are decreasing

Back

Increasing Potential energy, Decreasing Kinetic energy

Front

A man stops his car on top of a hill. Describe this scenario in terms of energy.

Back

High Potential Energy

Front

An object is dropped on the floor and makes a loud bang sound. What kind of energy IS NOT one that the object possesses now? Options: thermal, sound, potential

Back

potential

Front

What is the formula for kinetic energy?

Back

KE = 1/2mv²

Front

What is the formula for potential energy? Options: PE = mgh, PE = 2mv², PE = 1/2mv², PE = mv²

Back

PE = mgh

Front

What law states that energy cannot be created or destroyed but can only be changed from one form to another?

Back

Law of Conservation of Energy

Front

In all of the energy transformations shown above, the total amount of energy __________.

Back

remained the same when it transformed into
another type of energy.

Front

Which of these is NOT an example of a bicycle using mechanical energy? Options: The pedals, gears and chain help turn the wheels., The wheels turn when the bicycle moves., The front wheel guides the bicycle as it moves., The reflector allows the bicycle to be seen at night.

Back

The reflector allows the bicycle to be seen at night.