Fulcrum

Q.

Where is the fulcrum situated for a hammer when we hammer the nail into the wood?

1. 

2. 

3. 

4. Fulcrum does not exist for a hammer.

Q.

Why do we use single fixed pulley?

Q.

Which letters represent the load, effort, and fulcrum for the given lever diagram?

1. Fulcrum = B; Effort = C; Load = A

2. Fulcrum = C; Effort = A; Load = B

3. Fulcrum = A; Effort = B; Load = C

4. Fulcrum = B; Effort = A; Load = C

Q.

Give two examples each of levers of first, second, and third-order.

Q.

The _____ lies in between the ______ and the ______ in the second-class lever.

1. Load, Fulcrum, Effort

2. Fulcrum, Effort, Load

3. Fulcrum, Load, Effort

4. Effort, Fulcrum, Load

Q.

If the effort applied to lift the box is applied closer to the pivot, will it get harder or easier to lift the box?

1. It is easier to lift the box

2. It requires the same effort either wise

3. Cannot be determined

4. It is harder to lift the box

Q. How many kinds of levers are there? How are they different from each other?

Q. In which groups can articles belonging to wheel-and-axle be found?

1. P & Q
2. R & S
3. Q, R & S
4. P, Q & R

Q.

The fixed point about which a lever turns is called:

1. Load

2. Fulcrum

3. Effort

4. Pulley

Q.

For class 1 lever, which of the following statement is true?

1. Fulcrum lies exactly at the midpoint of load and effort.

2. The effort is between load and fulcrum.

3. The load is in between effort and fulcrum.

4. Fulcrum always lies between load and effort.

Q. Name the class to which the following lever belongs:
a nut cracker

Q.

Which letters represent the load, effort, and fulcrum for the given lever diagram?

1. Fulcrum = A; Effort = B; Load = C

2. Fulcrum = B; Effort = C; Load = A

3. Fulcrum = C; Effort = A; Load = B

4. Fulcrum = B; Effort = A; Load = C

Q. The fixed point about which a lever turns is called:

1. Effort
2. Fulcrum
3. Pulley
4. Load