Quiz about Simple Machines

Question 1

This type of simple machine uses a wheel to change the direction of a force.

Accepted Answer

pulley

Answer

wedge

Answer

lever

Answer

screw

Question 2

All simple machines help make work _________.

Accepted Answer

easier

Answer

harder

Answer

smaller

Answer

lighter

Question 3

The unit of measure for work is_____________.

Accepted Answer

joules

Answer

meters

Answer

newtons

Answer

millibars

Question 4

The unit of measure for force is _____________

Accepted Answer

newtons

Answer

meters

Answer

joules

Answer

miles per hour

Question 5

Force is measured with a _________________

Accepted Answer

spring scale

Answer

barometer

Answer

hygrometer

Answer

meter stick

Question 6

True or False. The formula for work is Work = Force x Distance (W= F x D).

Accepted Answer

True

Answer

False

Question 7

Work is done when .....

Accepted Answer

a force is exerted on an object causing the object to move.

Answer

a force is exerted on an object.

Answer

an object exerts force onto another object.

Answer

an object does not move.

Question 8

True or False. When a force is applied to an object and it does not move then work was done.

Accepted Answer

False

Answer

True

Question 9

How much work was done when a force of 12 newtons was applied to an object and the object move 2 meters?

Accepted Answer

24 Joules

Answer

14 Joules

Answer

14 Newtons

Answer

24 Newtons

Question 10

A boy uses this simple machine to lift a load. How does this machine help the boy to do work?

Accepted Answer

by changing the direction

Answer

by reducing total work

Answer

by decreasing distance

Answer

by reducing effort force

Question 11

A boy adds movable pulley to make a pulley system. What mechanical advantage does a movable pulley provide?

Accepted Answer

it will greatly reduce the force needed to lift the load

Answer

it provides another wheel for the chain to sit on.

Answer

it will change the direction faster than with 1 fixed pulley

Answer

it will cause the object to move in the same direction

Question 12

Which model will require the least amount of force?

Accepted Answer

pulley 4

Answer

pulley 1

Answer

pulley 2

Answer

pulley 3

Question 13

How can you increase the efficiency of a pulley?

Accepted Answer

apply oil to the wheels to help them spin better

Answer

change its color

Answer

decrease the size of the wheels

Answer

cover the wheels with a rough material

Question 14

An ax head is a simple machine called a wedge. How can you make the cutting edge more efficient?

Accepted Answer

make sharper

Answer

make it longer

Answer

make it shorter

Answer

make it more rounded

Question 15

How can you make an inclined plane more efficient?

Accepted Answer

increase the length

Answer

cover it with a rough material

Answer

make it face the opposite direction

Answer

increase the height

Question 16

Which ramp will require the least amount of force?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 17

_____________ are a sloping surface.

Accepted Answer

inclined planes

Answer

pulleys

Answer

levers

Answer

wheel and axles

Question 18

_____________are made up of a grooved wheel with rope/chain running along the groove.

Accepted Answer

pulley

Answer

ramp

Answer

inclined plane

Answer

lever

Question 19

A lever rotates on a fixed point called a _______________

Accepted Answer

fulcrum

Answer

screw

Answer

wheel

Answer

ramp

Question 20

wheelbarrows, fishing rods and baseball bats are all examples of ________________

Accepted Answer

levers

Answer

inclined planes

Answer

wedges

Answer

compound machines

Question 21

If you needed to use a lever to move a heavy object, where is the best place to place the load?

Accepted Answer

near the fulcrum.

Answer

next to where the force is applied

Answer

directly under the fulcrum

Answer

opposite end of the fulcrum

Question 22

In order to exert the least amount of force, where should the fulcrum be placed?

Accepted Answer

position D

Answer

position C

Answer

position B

Answer

position A

Question 23

A wheelbarrow is an example of

Accepted Answer

Second Class Lever

Answer

First Class Lever

Answer

Third Class Lever

Answer

Fourth Class Lever

Question 24

In a first class lever, the _____ is in the middle.

Accepted Answer

Fulcrum

Answer

Effort

Answer

Load

Answer

Machine

Question 25

In a second class lever, the ______ is in the middle.

Accepted Answer

Load

Answer

Effort

Answer

Fulcrum

Answer

Machine

Question 26

In third class levers, the ______ is in the middle.

Accepted Answer

Effort

Answer

Fulcrum

Answer

Load

Question 27

Which simple machine is really a modified version of the inclined plane?

Accepted Answer

Wedge

Answer

Pulley

Answer

Lever

Answer

I don't know

Question 28

The flag pole mechanism is an example of which simple machine?

Accepted Answer

Pulley

Answer

Inclined Plane

Answer

Lever

Answer

Wedge

Question 29

Which of the following does a simple machine NOT do?

Accepted Answer

Change the amount of work that needs to be done

Answer

Increase the force applied

Answer

Increase the distance the force is applied over

Answer

Change the direction the force is applied

Question 30

Which of these is not part of the lever?

Accepted Answer

Object

Answer

Fulcrum

Answer

Load

Answer

Lever

Question 31

The force placed on the simple machine to move the load is called the ____.

Accepted Answer

Effort

Answer

Fulcrum

Answer

Load

Answer

Lever

Question 32

Simple machines allow us to do less work.

Accepted Answer

FALSE

Answer

TRUE

Question 33

A simple machine used to push two objects apart.

Accepted Answer

Wedge

Answer

Lever

Answer

Inclined Plane

Answer

Screw

Question 34

The two forces applied on a pulley are

Accepted Answer

Effort Force and Resistance Force

Answer

Effort and Load

Question 35

Which choice is an example of a lever?

Accepted Answer

Seesaw

Answer

Axe

Answer

Bottle Cap

Answer

Tunnel

Question 36

A log splitting machine was invented to split logs quickly. A motor powers a metal piece that is pushed through the middle of a log. The metal piece used to split a log is an example of what simple machine?

Accepted Answer

wedge

Answer

pulley

Answer

screw

Answer

lever

Question 37

The picture shows a student using a pulley system to raise a flag. Which statement correctly describes the function of this system?

Accepted Answer

The more force used to pull the string, the faster the flag will move up the flagpole.

Answer

The more force used to pull the string, the more string will be needed to raise the flag.

Answer

The less force used to pull the string, the greater the distance the flag will move.

Answer

The less force used to pull the string, the longer the flag will remain raised.

Question 38

The picture shows the inside of a watch. This watch uses both a battery and a simple machine to measure time. The arrow points to the simple machine inside the watch. What simple machine helps make the watch measure time?

Accepted Answer

a wheel and axle

Answer

an inclined plane

Answer

a screw

Answer

a lever

Question 39

A doorknob is an example of a

Accepted Answer

wheel and axle

Answer

inclined plane

Answer

pulley

Answer

wedge

Question 40

Which type simple machine would the base of a light bulb be?

Accepted Answer

screw

Answer

wedge

Answer

wheel and axle

Answer

pulley

Question 41

A lever turns back and forth on a

Accepted Answer

fulcrum

Answer

effort

Answer

load

Answer

work

Question 42

A ramp is an example of a(n)

Accepted Answer

inclined plane

Answer

fulcrum

Answer

force

Answer

lever

Question 43

________________ is done whenever a force moves an object a distance

Accepted Answer

work

Answer

load

Answer

friction

Answer

force

Question 44

An object being lifted or moved is a

Accepted Answer

load

Answer

fulcrum

Answer

force

Answer

work

Question 45

A push or pull is a

Accepted Answer

force

Answer

load

Answer

fulcrum

Answer

work

Question 46

To increase the mechanical advantage of a lever

Accepted Answer

move the fulcrum closer to the load

Answer

make sure the fulcrum is in the middle of the lever

Answer

move the fulcrum closer to the effort

Answer

use a bigger fulcrum

Question 47

In this illustration,

Accepted Answer

mechanical advantage is not changed

Answer

the machine is decreasing mechanical advantage

Answer

the machine is increasing mechanical advantage

Question 48

All of these are examples of a wheel and axle except:

Accepted Answer

lever

Answer

pizza cutter

Answer

doorknob

Answer

windmill

Question 49

An axe is an example of a

Accepted Answer

wedge

Answer

pulley

Answer

inclined plane

Answer

screw

Question 50

Name this simple machine.

Accepted Answer

Wheel and Axle

Answer

Lever

Answer

Pulley

Answer

Wedge

Simple Machines

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