IPC Semester 2 Final Exam Review

________________ can be transformed from one type to another, yet the total amount of it always stays the same.

• Force

• Gravity

• Mass

• Energy

Energy is measured in…

• Newtons (N)

• Joules (J)

• Grams (g)

• Meters (m)

Potential energy and kinetic energy are both forms of ___________ energy.

• Fast

• Slow

• Mechanical

• Moving

Potential energy is the energy due to the…

• Motion of an object.

• Speed of an object.

• Position of an object.

• Velocity of an object

Which of the following is considered stored energy?

• Potential energy

• Kinetic energy

• Both are stored energy

• None of the above

A roller coaster at the top of the first hill has mostly what kind of energy?

• Heat energy

• Kinetic energy

• Potential energy

• Chemical energy

What is the formula for potential energy?

• PE = mgh

• PE = m+g+h

• PE = ½mv²

• PE = 3mgh²

What is the formula for kinetic energy?

• KE = 2mv

• KE = ½mv²

• KE = ½mgh

• KE = mgh

Energy is…

• The mass of an object.

• How we measure distance.

• The same as volume.

• The ability to cause change or do work.

The picture shows what type of transformation

• Electrical to mechanical

• light to electric

• electrical to light

• light to light