Class II Lever

Q. Which one of the following is a Class III lever? (E-effort, F-fulcrum and L-load)

1. 

   E - Effort, F - Fulcrum, L - Load

2. 

   E - Effort, F - Fulcrum, L - Load

3. 

   E - Effort, F - Fulcrum, L - Load

4. 

   E - Effort, F - Fulcrum, L - Load

Q.

In a class II lever, ______ comes between the effort and the fulcrum.

1. load

2. force

3. Energy

4. axle

Q.

Which one of the following is a Class II lever?

1. A pair of pliers

2. Nut Cracker

3. Claw Hammer

4. Crowbar

Q.

The lever displayed below is of class:

1. I

2. II

3. III

4. I and II

Q. Select the statements that hold true for a Class II lever.

1. Mechanical advantage > 1
2. Mechanical advantage < 1
3. A wheelbarrow is a class II lever.
4. Also called an effort multiplier

Q.

Force multiplier is a situation in a machine when

1. less effort is required to move a heavy load

2. the effort applied is equal to the load

3. None of these

4. more effort is required to move a heavy load

Q.

A paper cutter is an example of class II lever.

1. False

2. True

Q.

Complete the following sentences :

(a) In class II lever, effort arm is ____ than the load arm.

(b) Oars of a boat are _____ multipliers

1. longer, effort

2. shorter, speed

3. shorter, effort

4. longer, speed

Q. The figure displays a lemon crusher. Name the class of the lever.

1. Class I and Class II lever

2. Class III lever

3. Class II lever

4. Class I lever

Q. Sugar tongs is an example for .

1. time multiplier
2. speed multiplier
3. force multiplier