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Multiple Choice Questions on Simple Machines

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Multiple Choice Questions on Simple Machines. We covered all the Multiple Choice Questions on Simple Machines in this post for free so that you can practice well for the exam.

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Simple Machines MCQ for School Students

A toothed wheel that transmits motion and power is called

1. Wheel and axle

2. Roman steelyard

3. Gear

4. Screw jack

Option 3 – Gear

The mechanical advantage of a screw jack can be increased by increasing

1. length of lever

2. weight of lever

3. thickness of lever

4. all of these

Option 1 – length of lever

Gears are used to change the

Which of the following is not associated with the UNO?



(C) Security Council


Show Answer

1. speed

2. direction of force

3. both 1 and 2

4. none

Option 3 – both 1 and 2

The unit of moment of force in C.G.S. system is

1. dyne

2. newton

3. dyne-cm

4. newton-metre

Option 3 – dyne-cm

In a cycle the bigger wheel is known as

The International Court of Justice is located at?

(A) Geneva

(B) Hague

(C) Amsterdam

(D) Vienna

Show Answer

1. free wheel

2. crank wheel

3. follower wheel

4. none

Option 2 – crank wheel

Moment of force is also called

1. couple

2. force

3. torque

4. none

Option 3 – torque

The teeth of gears are called

1. shafts

2. threads

3. cogs

4. hand crank

Option 3 – cogs

Moment of couple acts on a body produces

1. linear motion

2. oscillatory motion

3. rotatory motion

4. none

Option 3 – rotatory motion

The principle used in vice, gimlet, binding press etc. is

1. wheel and axle

2. screw

3. gears

4. all of the above

Option 2 – screw

The principle of moments is made use in

1. Physical balance

2. Roman steelyard

3. Scale balance

4. All of these

Option 4 – All of these

To change the direction of applied force the following device is used.

1. gear

2. lever

3. wheel and axle

4. torque

Option 2 – lever

Opening of a water tap is an example of

1. torque

2. moment of couple

3. screw jack.

4. wheel and axle

Option 2 – moment of couple

In a wheel and axle the load is attached to

1. wheel

2. axle

3. beam

4. thin rope

Option 2 – axle

The turning effect produced on a rigid body about a fixed point on application of force is called

1. inertia

2. angular momentum

3. moment of inertia

4. torque

Option 4 – torque

A pair of equal, unlike, parallel forces acting on a rigid body at different points producing a turning effect is called

1. moment of force

2. torque

3. couple

4. banking

Option 3 – couple

The following instrument uses gears.

1. Scissors

2. Screw driver

3. Forceps

4. Hand drill

Option 4 – Hand drill

We do not see a number of gears in

1. printing press

2. computer

3. clocks

4. motorcycle

Option 2 – computer

A couple is acting in the following :

1. opening the lid of cool drink bottle

2. opening the lid of a tin

3. opening the door

4. opening the screw cap of a bottle

Option 4 – opening the screw cap of a bottle

A screw jack is a combination of

1. a screw and a lever

2. a screw and a gear

3. two levers

4. three gears

Option 1 – a screw and a lever

We covered all the multiple choice questions on simple machines in this post for free so that you can practice well for the exam.

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