Force Multiplier

Q.

Name six simple machines and give one practical example for each machine?

Q.

A screw is ___ wrapped around a cylinder.

1. Lever

2. Inclined Plane

3. Screw

4. Pulley

Q. Jack is using a hammer for removing a nail from a piece of wood. This lever acts as:

1. Speed multiplier
2. Mass multiplier
3. Force multiplier
4. Work multiplier

Q.

The single fixed pulley can also be regarded as a _______

Q.

Which type of lever has the length of the effort arm greater than the length of the load arm?

1. Energy multiplier

2. Distance multiplier

3. Force multiplier

4. Speed multiplier

Q. Cutting plier acts as:

1. Speed multiplier
2. Force multiplier
3. Work multiplier
4. Mass multiplier

Q.

The mechanical advantage of a fixed pulley is equal to 1.

1. True
2. False

Q.

Give one example of a machine that is used to multiply force.

Q.

A bottle opener acts as a:

1. Weight multiplier

2. Force multiplier

3. Speed multiplier

4. Work multiplier

Q.

In a lever, _____increases when the load arm is greater than the effort arm.

1. force

2. speed

3. mass

4. energy

Q.

In the case of a lever of the third order, the effort arm is always ………….than load arm.

Q.

Choose the correct option for wheelbarrow.

1. Effort arm = Load arm

2. Load arm > Effort arm

3. None of these

4. Effort arm > Load arm

Q. Which of the following are force multipliers?

1. Hammer claw
2. Cutting plier
3. Bottle opener
4. Stapler
5. See-Saw
6. Wheel barrow
7. Tongs
8. Nut cracker

Q.

In which case it will be easiest to lift an object using a lever?

1. All of the above.

2. Effort arm = load arm

3. Effort arm < load arm

4. Effort arm > load arm

Q. Match the following for a lever.

1. Force multiplier
2. See-saw
3. Speed multiplier

Q.

A force multiplier is a simple machine that multiplies the ___.

1. load

2. speed

3. work

4. effort

Q.

A bottle opener acts as a:

1. Weight multiplier

2. Force multiplier

3. Speed multiplier

4. Work multiplier

Q.

The most commonly used unit to measure force is

1. $dyne$

2. $newton$

3. $ki\log ramforce$

4. $gramforce$