Unit 6 Lessons 1&2

The energy an object has because of its position, condition, or chemical composition is

• mechanical energy

• potential energy

• kinetic energy

• work

The rate at which work is done is

• work

• energy

• power

• mechanical energy

The ability to do work is

• work

• power

• kinetic energy

• energy

The energy possessed by an object due to its motion and position is

• mechanical energy

• kinetic energy

• potential energy

• energy

The use of force to move an object some distance in the direction of the force is

• power

• kinetic energy

• energy

• work

The energy of motion is

• mechanical energy

• kinetic energy

• potential energy

• power

What is the sum of an object's potential and kinetic energies?

• work

• power

• mechanical energy

• elastic potential energy

Which is not an example of energy being used to do work?

• Picking up a box

• Swinging a hammer to hit a nail

• Pulling a sled

• Sitting on a dock while holding a fishing rod

Object 1 and object 2 have the same mass. Object 1's speed is 1 m/s and Object 2's speed is 2 m/s. Which has more kinetic energy?

• Object 1

• Object 2

• They have the same kinetic energy

• It is impossible to calculate that

Stored energy due to the height above ground of an object

• gravitational potential energy

• elastic potential energy

• chemical potential energy

• mechanical energy