Simple Machines

Question 0

An inclined plane works by _________ your input force over a _______

Answer 0

Spreading out, distance

Question 1

What is the scientific term for ramp

Answer 1

Inclined plane

Question 2

In order to do ________ an object, the object must move some _______ as a result of ____

Answer 2

Work, distance, force

Question 3

Work is measured in______

Answer 3

Joules

Question 4

When you use a ramp, the _____________ needed to move an object will always be the ____

Answer 4

Total amount of work, same

Question 5

What are the 6 kinds of simple machines.

Answer 5

1. inclined plane.
2. wedge
3. screw
4. lever
5. wheel
6. axle

Question 6

How can you tell the IMA of an inclined plane

Answer 6

You divide the length of the in line by its height

Question 7

Input force = force with which you _______________

Answer 7

Push or pull

Question 8

Output force = force you would need to lift an object _______ an inclined plane

Answer 8

Without

Question 9

Work is lost due to ________ between the object and ___________

Answer 9

Friction, inclined plane

Question 10

How would you draw a wedge

Answer 10

\ /
\ /
\/

Question 11

Can I go

Answer 11

Yeeeesssss

Question 12

A screw is an inclined plane _________ around a ________

Answer 12

Wrapped, cylinder

Question 13

When you increase the ________ the object travels, the _____ force needed to move the object is _____ meaning less ______ can be exerted by the mover to complete the same amount of work

Answer 13

Distance, input, decreased, effort

Question 14

In all _______ MA is the ratio of ______ force to ____ force

Answer 14

Simple machines, output, input

Question 15

Are there units in IMA? If not where did they go……. Dun dun duuuuunnnnnn

Answer 15

No. They cancel out

Question 16

The closer the threads the _______ the MA

Answer 16

Greater

Question 17

A lever is a _____ bar that is free to _____or rotate, around a fixed point or fulcrum

Answer 17

Rigid, pivot

Question 18

How levers help

1. _______ effect of your input force
2. Changes the ________ of your input force

Answer 18

Increases, direction

Question 19

First class lever 
Can multiply \_\_\_\_\_ or \_\_\_\_\_\_\_ depending on distance of fulcrum to input force, and changes direction of \_\_\_\_\_ force

Answer 19

Force, distance, input

Question 20

Second class lever
Always \_\_\_\_\_\_\_ force 
Does NOT change \_\_\_\_\_\_\_ of input force

Answer 20

Multiply, direction

Question 21

Third class lever
Multiplies \_\_\_\_\_\_\_\_ but does NOT change \_\_\_\_\_\_\_

Answer 21

Distance, direction

Question 22

What are a wheel and axle made of and how many are their

Answer 22

Cylinders, 2

Question 23

Is the diameter of the wheel or the axle bigger

Answer 23

Wheel

Question 24

When you apply ______ force to turn the wheel the axle turns an exerts an ______ force

Answer 24

Input, output

Question 25

What is a pulley

Answer 25

A grooved wheel with rope or cable wrapped around it

Question 26

When you pull the rope you can change the amount and ________ of your ______ force

Answer 26

Direction, input

Question 27

Work= _____x____

Answer 27

Distance, force

Question 28

A _______ is anchored to the structure

Answer 28

Fixed pulley

Question 29

MA of a fixed pulley=

Answer 29

1

Question 30

A _______ is attached to the object that is moved

Answer 30

Moveable pulley

Question 31

MA of movable pulley=

Answer 31

2

Question 32

What happens as you add new lengths of rope to a block and tackle

Answer 32

It gets easier to lift