Q.

Which of the following is not true about the forces exerted by two fingers while opening a tap?

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a

Forces are parallel to each other.

b

Forces are equal in magnitude.

c

Forces are exerted in the opposite direction to each other.

d

Forces are exerted in the same direction.

answer is D.

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Detailed Solution

  • While opening a tap, one finger moves forward and the other moves backwards.
  • Therefore we can say that both fingers apply parallel forces that are equal in magnitude but opposite in direction.

Therefore, 'Forces are exerted in the same direction.'  is the correct response.

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