Energy

The ability of a system to do work; required for changes to happen within a system

• Force

• Mass

• Energy

Energy that is stored in a system or object

• Potential Energy

• Kinetic Energy

• Mechanical Energy

When objects have the potential to change their position due to the force of gravity

• Chemical potential energy

• Gravitational potential energy

• Elastic potential energy

When energy is stored within the matter itself (for example, energy is stored in a battery)

• Elastic potential energy

• Magnetic potential energy

• Chemical potential energy

Energy that is stretched or compressed within an object (for example, stretching the string on a bow)

• Elastic potential energy

• Magnetic potential energy

• Static potential energy

Energy stored because of gravity is called:

• Gravitational Potential Energy

• Kinetic Energy

• Mechanical Advantage

• Chemical Energy

Which would have the LEAST gravitational potential energy (GPE)?

• A ball sitting on the ground

• Moon viewed from the Earth

• An airplane flying 30,000 feet above the ground

• A rock sitting on top of Mt. Everest

What is the correct unit for energy?

• meters (m)

• kilogram meters per second (kg m/s)

• Newtons (N)

• Joules (J)

What is the equation for calculating kinetic energy?

• mv

• 1/2 mv^2

• mgh

• Ft

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level. (g = 10 Nkg^-1)

• 250,000 J

• 2,500,000 J

• 25,000,000 J

• 250 J