Quiz about ICP Unit 2 (Forces & Work) Review

Question 1

Which of the following are examples of a Lever?

Accepted Answer

Seesaw

Answer

Scissors

Answer

Wheelbarrow

Answer

Pulley

Question 2

Which of the following are examples of the simple machine: Wheel & Axle? (select all that apply)

Accepted Answer

Bicycle

Accepted Answer

Door Knob

Answer

Screwdriver

Answer

Inclined Plane

Question 3

Which of the following are examples of a wedge? (select all that apply)

Accepted Answer

Knife

Accepted Answer

Axe

Accepted Answer

Doorstop

Answer

Pulley

Question 4

Which of the following are examples of an inclined plane?

Accepted Answer

Ramp

Answer

Screw

Answer

Wedge

Answer

Lever

Question 5

Which of the following is an example of a simple machine: Pulley?

Accepted Answer

Flagpole

Answer

Seesaw

Answer

Wheelbarrow

Answer

Inclined Plane

Question 6

Which of the following are examples of a simple machine: Screw?

Accepted Answer

Jar lid

Answer

Light bulb

Answer

Bottle cap

Answer

Door knob

Question 7

A complex machine is a combination of two or more simple machines. Which of the following is an example of a complex machine?

Accepted Answer

Bicycle

Answer

Lever

Answer

Pulley

Answer

Inclined Plane

Question 8

A wedge is made up of two of what simple machines?

Accepted Answer

Inclined planes

Answer

Levers

Answer

Pulleys

Answer

Screws

Question 9

A screw is made up of two DIFFERENT of what simple machines?

Accepted Answer

Wedge and Inclined Plane

Answer

Lever and Pulley

Answer

Wheel and Axle and Gear

Answer

Inclined Plane and Lever

Question 10

More threads, on a screw, will make the work done (Easier or Harder)?

Accepted Answer

Easier

Answer

Harder

Question 11

In a 1st class lever, the fulcrum is in/on the (end or middle) and the effort is/on the (end or middle).

Accepted Answer

middle, end

Answer

end, middle

Answer

middle, middle

Answer

end, end

Question 12

In a 2nd class lever, the fulcrum is in/on the (end or middle) and the effort is/on the (end or middle).

Accepted Answer

end, end

Answer

end, middle

Answer

middle, end

Answer

middle, middle

Question 13

In a 3rd class lever, the fulcrum is in/on the (end or middle) and the effort is/on the (end or middle).

Accepted Answer

end, middle

Answer

end, end

Answer

middle, end

Answer

middle, middle

Question 14

If there was no air, all objects would fall at the ________________

Accepted Answer

same rate

Answer

different rates

Answer

variable speed

Answer

inconsistent speed

Question 15

Terminal velocity = _________________ reached by a falling object.

Accepted Answer

maximum speed

Answer

minimum speed

Answer

average speed

Answer

increasing speed

Question 16

How much work is done when a 100 N force moves a porg 59 m?

Accepted Answer

5900 J

Answer

590 J

Answer

59 J

Answer

5.9 J

Question 17

Jesse applies 450 N force to move his stalled car 42 m, how much work did Jesse do?

Accepted Answer

18,900 J

Answer

19,000 J

Answer

18,800 J

Answer

19,100 J

Question 18

How far will 650 J raise a mega burrito exerting 9 N?

Accepted Answer

72.22 meters

Answer

65 meters

Answer

100 meters

Answer

50 meters

Question 19

How far will 250 J raise a 7 Kg raptor?

Accepted Answer

3.6 meters

Answer

5.10 meters

Answer

2.45 meters

Answer

4.20 meters

Question 20

How much work can be done by a 20 W motor in 5 sec?

Accepted Answer

100 J

Answer

50 J

Answer

200 J

Answer

150 J

Question 21

How much power does it take to lift 30 Kg 10 m high in 5 sec?

Accepted Answer

588 Watts

Answer

60 Watts

Answer

100 Watts

Answer

150 Watts

Question 22

Which is more work, pushing with 115 N over 15 m or lifting 20 Kg 10 m?

Accepted Answer

Lifting 20 Kg 10 m

Answer

Pushing with 115 N over 15 m

Answer

Both require the same amount of work

Answer

Cannot be determined

Question 23

The output of a robot is 3890 J of work while the input was 4222 J. Calculate the efficiency of the robot.

Accepted Answer

92.1%

Answer

85.6%

Answer

95.5%

Answer

91.2%

Question 24

What is the mechanical advantage of a hammer if it exerts a resistance force of 1600 N to an effort force of 263 N?

Accepted Answer

6.08

Answer

5.50

Answer

7.00

Answer

6.50

Question 25

What are the units for work?

Accepted Answer

J

Answer

m

Answer

N

Answer

W

Question 26

What are the units for force?

Accepted Answer

N

Answer

m

Answer

J

Answer

W

Question 27

What are the units for distance?

Accepted Answer

m

Answer

N

Answer

J

Answer

W

Question 28

What are the units for power?

Accepted Answer

W

Answer

m

Answer

N

Answer

J

Question 29

What are the units for time?

Accepted Answer

s

Answer

kg

Answer

%

Answer

no units

Question 30

What are the units for mechanical advantage?

Accepted Answer

no units

Answer

s

Answer

kg

Answer

%

Question 31

What are the units for mass?

Accepted Answer

kg

Answer

s

Answer

%

Answer

no units

Question 32

What are the units for efficiency?

Accepted Answer

%

Answer

s

Answer

kg

Answer

no units

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science