Potential Energy (Physics) 2

Question 1

What is the Law of Conservation?

Answer 1

”Energy can neither be created nor destroyed, it can only be transferred from one form to another”

Question 2

Name the 8 different energy stores?

Answer 2

1. Magnetic
2. Kinetic
3. Gravitational Potential
4. Elastic
5. Thermal
6. Electrostatic
7. Nuclear
8. Chemical

Question 3

In what 4 ways can energy be transferred?

Answer 3

Mechanical
Electrical
Radiation
Heating

Question 4

What is Gravitational Potential Energy?

Answer 4

Anything held above the ground has Gravitational Potential Energy

Question 5

What factors affect the gravitational potential energy of something?

Answer 5

Height of the object

Mass of the object

Strength of Gravity

Question 6

What is the equation used to work out the Gravitational Potential Energy of something?

Answer 6

GPE = m x g x h

Question 7

As osprey has a mass of 2kg and is flying at a height of 200m. What is it’s GPE?

Answer 7

4000 J

Question 8

What is Gravitational Field Strength measured in?

Answer 8

Newtons per kilogram (N/kg)

Question 9

What is the gravitational field strength on Earth usually taken as?

Answer 9

10 N/kg

Question 10

State what each of the letters stand for in the equation for calculating gravitational potential energy?

GPE = m x g x h

Answer 10

GPE = gravitational potential energy 
m = mass
g = gravitational field strength
h = height