1

BITSAT 2021

MCQ (Single Correct Answer)

+3

-1

The bob of a pendulum of length 2 m lies at P, when it reaches Q, it losses 10% of its total energy due to air resistance.

The velocity of bob at Q is

2

BITSAT 2020

MCQ (Single Correct Answer)

+3

-1

A ball of mass 0.5 kg is thrown up with initial speed 16 ms^{$$-$$1} and reaches maximum height of 9 m. How much energy is dissipated by air drag acting on the ball during the ascent?

3

BITSAT 2020

MCQ (Single Correct Answer)

+3

-1

A time dependent force F = (8t) acts on a particle of mass 2 kg. If the particle starts from rest, the work done by the force during the first 1s will be

4

BITSAT 2020

MCQ (Single Correct Answer)

+3

-1

The work done by a force acting on a body is as shown in the following graph. The total work done in covering an initial distance of 40 m is

Questions Asked from Work, Energy and Power (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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