Vocab5

Question 0

Efficiency

Answer 0

Ratio of the output done by the machine to the input work done on the machine, expressed as a percentage

Question 1

Work

Answer 1

Transfer energy when a force is applied over a distance measured in joules

Question 2

Mechanical advantage

Answer 2

Ratio of the output force exerted by a machine to the input force applied to the machine

Question 3

Energy

Answer 3

The ability to cause change, measured in joules

Question 4

System

Answer 4

A region or set of regions around which a boundary can be defined

Question 5

Kinetic energy

Answer 5

Energy a moving object has because of its motion

Determined by the mass and speed of the object

Question 6

Potential energy

Answer 6

Energy that is stored due to the interactions between objects

Question 7

Elastic potential energy

Answer 7

Energy that is stored by compressing or stretching an object

Question 8

Chemical potential energy

Answer 8

Energy that is due to chemical bounds

Question 9

Law of conservation of energy

Answer 9

States that energy can’t be created or destroyed

Question 10

Graviton all potential energy

Answer 10

Energy that is due to the gravitational force between objects