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Q.

The effect of the force in the following cases are


  1. A penalty kick in football
  2. Force on the accelerator of the car
  3. Making chapatis

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a

Motion, speed, shape

b

Speed, motion, shape

c

Motion, speed, size

d

None of the above 

answer is A.

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Detailed Solution

The effect of force on the given situations are motion, speed and shape, respectively.
When a football is kicked at the time of penalty kick, a force is exerted on the ball that puts the ball in motion from the state of rest.
When the force is applied to the car's accelerator, the accelerator increases the car's speed as it is the function of the accelerator.
When the lumps of the dough are taken, force is applied to the lump to give it a round shape. Hence the force applied changes the shape in this case.
 
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