Machines Ch 9

Question 1

Fulcrum

Answer 1

Point around which a lever turns

Question 2

Load

Answer 2

Such as the weight of an object

Question 3

Effort

Answer 3

Forced used to cause movement

Question 4

First Class Lever

Answer 4

A lever with the fulcrum between the effort and the load

Question 5

Second Class Lever

Answer 5

Lever with the load between the effort and the fulcrum

Question 6

Force Multipliers

Answer 6

A simple machine that supplies a greater force than the effort used

Question 7

Mechanical Advantage

Answer 7

The advantage of force multiplying levers or other machines as defined by load/effort

Question 8

Third Class Levers

Answer 8

Lever with the effort between the load and the fulcrum

Question 9

Speed Multipliers

Answer 9

A simple machine that increases the speed of the object

Question 10

Kinetic energy

Answer 10

Energy that is produced from being in motion

Question 11

Potential energy

Answer 11

Energy that is stored

Question 12

Levers

Answer 12

Simple machine consisting of a long rigid object that moves around a Turning point

Question 13

Wedge

Answer 13

Help us to split or penetrate objects

Question 14

Screw

Answer 14

A type of nail that has an inclined plane

Question 15

Thread

Answer 15

The swirly part of a screw

Question 16

Pitch

Answer 16

The stuff between the thread