Multiple Choice Questions on Simple Machines

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

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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

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We do not see a number of gears in 1. printing press 2. computer 3. clocks 4. motorcycle

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The following instrument uses gears. 1. Scissors 2. Screw driver 3. Forceps 4. Hand drill

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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

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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

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In a wheel and axle the load is attached to 1. wheel 2. axle 3. beam 4. thin rope

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Opening of a water tap is an example of 1. torque 2. moment of couple 3. screw jack. 4. wheel and axle

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To change the direction of applied force the following device is used. 1. gear 2. lever 3. wheel and axle 4. torque

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