Quiz about Work, Power, and Simple Machines

Question 1

What is the unit used to measure Power?

Accepted Answer

Watt

Answer

Joule

Answer

Newton

Answer

Pascal

Question 2

Force X Distance = _______?

Accepted Answer

Work

Answer

Power

Answer

Energy

Answer

Force

Question 3

In which of these cases is work being done?

Accepted Answer

a student carries his chair into another room

Answer

A student sleeps

Answer

A student pushes a locked door that does not move

Answer

A student sits on the carpet

Question 4

A _____ is a fixed bar  that us free to move around a fixed point known as a fulcrum.

Accepted Answer

lever

Answer

pulley

Answer

inclined plane

Question 5

If you use a crowbar to get the lid off of a bucket, what simple machine are you using?

Accepted Answer

Lever

Answer

Inclined Plane

Answer

Pulley

Answer

Wheel and Axle

Question 6

What type of simple machine is found on the cap of a pickle jar?

Accepted Answer

screw

Answer

lever

Answer

inclined plane

Answer

pulley

Question 7

What is the unit used to measure work?

Accepted Answer

Joule

Answer

Watt

Answer

Newton

Answer

Pascal

Question 8

Which of these is an example of a wedge?

Accepted Answer

butter knife

Answer

skateboard

Answer

broom

Answer

stairs

Question 9

A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?

Accepted Answer

lever, wheel and axle, pulley

Answer

wheel and axle, inclined plane, pulley

Answer

wheel and axle, pulley, inclined plane

Question 10

Consists of two circular objects; a central shaft and a wheel.

Accepted Answer

wheel and axle

Answer

screw

Answer

pulley

Question 11

Work/Time = ________?

Accepted Answer

Power

Answer

Force

Answer

Speed

Answer

Velocity

Question 12

Calculate the amount of work done if you use a 100N force to push a 50 kg box 5 m across the kitchen floor.

Accepted Answer

500 J

Answer

250 J

Answer

5000 J

Answer

50,000 J

Question 13

A 16 N force is applied to an object and 96 J of work is done. How far was the object moved?

Accepted Answer

6 m

Answer

16 m

Answer

80 m

Answer

1536 m

Question 14

What is work?

Accepted Answer

When the object moves in the same direction in which the force is exerted.

Answer

A push or pull.

Answer

A change in energy.

Answer

The rate at which energy is transferred.

Question 15

Which is not considered a simple machine?

Accepted Answer

The pump

Answer

The wheel & axle

Answer

The wedge

Answer

The screw

Answer

The pulley

Question 16

A simple machine that consists a rigid bar that pivots on a fixed point

Accepted Answer

lever

Answer

pulley

Answer

wheel and axle

Answer

fulcrum

Question 17

An axe is an example of a

Accepted Answer

wedge

Answer

pulley

Answer

inclined plane

Answer

screw

Question 18

The fixed point on the lever is called

Accepted Answer

fulcrum

Answer

load

Answer

resistance

Answer

bar

Question 19

The device used to raise a flag up a flag pole is an example of a

Accepted Answer

pulley

Answer

wheel and axle

Answer

lever

Answer

inclined plane

Question 20

Which of the following does a simple machine do?

Accepted Answer

all of the above

Answer

allows the users to apply less force over a longer distance

Answer

reduce the amount of force needed to do work

Answer

change the direction of the applied force

Question 21

Name this simple machine.

Accepted Answer

Wedge

Answer

Wheel and Axle

Answer

Lever

Answer

Pulley

Question 22

How can you reduce the amount of force required to lift an object using an inclined plane (ramp)?

Accepted Answer

increase the length of the ramp

Answer

increase the height of the ramp

Answer

decrease the length of the ramp

Question 23

What do you call a machine made up of two or more simple machines?

Accepted Answer

compound machine

Answer

complicated machine

Answer

comprehensive machine

Answer

constructed machine

Question 24

A simple machine that is made up of an incline plane wrapped around a cylinder, often used to hold things together is a...

Accepted Answer

screw

Answer

lever

Answer

wedge

Answer

pulley

Question 25

What is the unit for mass?

Accepted Answer

Kilogram (Kg)

Answer

Newton (N)

Answer

Joule (J)

Answer

Watt (W)

Question 26

If you run up the stairs slower you will

Accepted Answer

generate less power.

Answer

do more work.

Answer

do less work.

Answer

generate more power.

Question 27

A ramp.

Accepted Answer

Inclined Plane

Answer

Lever

Answer

Wedge

Answer

Screw

Question 28

The greatest amount of force is required to move the metal block up which inclined plane?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 29

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 30

The table shows the force applied and displacement when different boxes are being pushed. Which box shows the most work being done?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 31

A push or pull is a

Accepted Answer

force

Answer

load

Answer

fulcrum

Answer

work

Question 32

An object being lifted or moved is a

Accepted Answer

load

Answer

fulcrum

Answer

force

Answer

work

Question 33

________________ is done whenever a force moves an object a distance

Accepted Answer

work

Answer

load

Answer

friction

Answer

force

Question 34

A doorknob is an example of a

Accepted Answer

wheel and axle

Answer

inclined plane

Answer

pulley

Answer

wedge

Question 35

Which of the following is true for the picture?

Accepted Answer

triangle is the fulcrum, mouse is the effort, elephant is the load

Answer

elephant is the fulcrum, mouse is the effort, triangle is the load

Answer

mouse is the fulcrum, triangle is the effort, elephant is the load

Question 36

A simple machine that is actually a kind of inclined plane is a

Accepted Answer

wedge

Answer

pulley

Answer

gear

Answer

lever

Question 37

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

Accepted Answer

Fulcrum

Answer

Effort

Answer

Load

Answer

Machine

Question 38

Identify this simple machine

Accepted Answer

Wheel & Axle

Answer

Lever

Answer

Inclined Plane

Answer

Screw

Question 39

Stairs

Accepted Answer

inclined plane

Answer

wedge

Answer

pulley

Answer

wheel and axle

Work, Power, and Simple Machines

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science