Multiple Choice Questions on Simple Machines. We covered all the Multiple Choice Objective Questions on Simple Machines pdf in this post for free so that you can practice well for the exam.
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We also provided mcq on simple machines for both class 5 and class 6 with answers pdf file below.
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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
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
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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