Quiz about Classes of Levers

Question 1

What class of lever is a pair of pilers?

Accepted Answer

First class lever

Answer

Second class lever

Answer

Third class lever

Question 2

What class of lever is a car door?

Accepted Answer

Second class lever

Answer

First class lever

Answer

Third class lever

Question 3

What class of lever is a seesaw?

Accepted Answer

First class lever

Answer

Second class lever

Answer

Third class lever

Question 4

What class lever is a wheelbarrow?

Accepted Answer

Second class lever

Answer

First class lever

Answer

Third class lever

Question 5

What class of lever is a fishing rod?

Accepted Answer

Third class lever

Answer

First class lever

Answer

Second class lever

Question 6

What class of lever is a pair of tweezers?

Accepted Answer

Third class lever

Answer

First class lever

Answer

Second class lever

Question 7

What class of lever is a stapler?

Accepted Answer

Second class lever

Answer

First class lever

Answer

Third class lever

Question 8

What class of lever is a rake?

Accepted Answer

Third class lever

Answer

First class lever

Answer

Second class lever

Question 9

Suzy finds that a lot of effort is needed to lift the load in the above diagram. How can Suzy use less effort to lift up the load?

Accepted Answer

Move the fulcrum nearer to the load

Answer

Use her leg to press.

Answer

Move the position of the fulcrum perpendicular to the effort

Answer

Move the fulcrum behind the load

Question 10

The diagram shows a simple machine used to open the lid of a can. Which of the following situations uses the same principle as lifting up the lid of a can?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 11

Which of the following is an example of a first-class lever?

Accepted Answer

Seesaw

Answer

Wheelbarrow

Answer

Fishing rod

Answer

Nutcracker

Question 12

In a second-class lever, where is the fulcrum located?

Accepted Answer

At one end, with the load in the middle

Answer

Between the effort and the load

Answer

At one end, with the effort in the middle

Answer

Between the load and the effort

Question 13

What is the mechanical advantage of a lever if the effort arm is 4 meters and the load arm is 2 meters?

Accepted Answer

2

Answer

1

Answer

4

Answer

8

Question 14

Which of the following statements is true about third-class levers?

Accepted Answer

The effort is between the fulcrum and the load

Answer

The load is between the fulcrum and the effort

Answer

The fulcrum is between the load and the effort

Answer

The load and effort are on the same side of the fulcrum

Question 15

A person uses a crowbar to lift a heavy rock. If the crowbar is acting as a lever, which class of lever is it most likely functioning as?

Accepted Answer

First-class lever

Answer

Second-class lever

Answer

Third-class lever

Answer

None of the above

Classes of Levers

15 questions

What class of lever is a pair of pilers?

What class of lever is a car door?

What class of lever is a seesaw?

What class lever is a wheelbarrow?

What class of lever is a fishing rod?

What class of lever is a pair of tweezers?

What class of lever is a stapler?

What class of lever is a rake?

Suzy finds that a lot of effort is needed to lift the load in the above diagram. How can Suzy use less effort to lift up the load?

The diagram shows a simple machine used to open the lid of a can. Which of the following situations uses the same principle as lifting up the lid of a can?

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