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What are the different methods to reduce friction?
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0
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6293
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March 22, 2018
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Give examples to show that friction is both a friend and a foe
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0
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1886
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March 22, 2018
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Two friends are trying to push a heavy load as shown in figure
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0
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4783
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March 22, 2018
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Give reason We have two identical metal sheets
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0
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2929
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March 22, 2018
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Explain why sliding friction is less than static friction
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0
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2243
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March 22, 2018
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When the cutting edge of a knife is put against a fast rotating stone to sharpen it, sparks are seen to fly. Explain the reason
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0
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4597
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March 22, 2018
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Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?
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0
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11929
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March 22, 2018
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Explain why sportsmen use shoes with spikes
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0
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12212
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March 22, 2018
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You spill a bucket of soapy water on a marble floor accidentally
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0
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1230
|
March 22, 2018
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. Suppose your writing desk is tilted a little. A book kept on it starts sliding down
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0
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3419
|
March 22, 2018
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A father and son pushed their car to bring it to the side of road as it had stalled in the middle of the road
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0
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1495
|
March 22, 2018
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A marble is allowed to roll down an inclined plane from a fixed height
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0
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2083
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March 22, 2018
|
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Cartilage is present in the joints of our body which helps in their smooth movement
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0
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3972
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March 22, 2018
|
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Is there a force of friction between the wheels of a moving train and iron rails?
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0
|
3144
|
March 22, 2018
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You might have noticed that when used for a long time, slippers with rubber soles become slippery. Explain the reason
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0
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3112
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March 22, 2018
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