1

JEE Main 2022 (Online) 25th July Morning Shift

MCQ (Single Correct Answer)

+4

-1

A body of mass $$0.5 \mathrm{~kg}$$ travels on straight line path with velocity $$v=\left(3 x^{2}+4\right) \mathrm{m} / \mathrm{s}$$. The net workdone by the force during its displacement from $$x=0$$ to $$x=2 \mathrm{~m}$$ is :

2

JEE Main 2022 (Online) 29th June Evening Shift

MCQ (Single Correct Answer)

+4

-1

In the given figure, the block of mass m is dropped from the point 'A'. The expression for kinetic energy of block when it reaches point 'B' is

3

JEE Main 2022 (Online) 29th June Morning Shift

MCQ (Single Correct Answer)

+4

-1

A particle of mass 500 gm is moving in a straight line with velocity v = b x^{5/2}. The work done by the net force during its displacement from x = 0 to x = 4 m is : (Take b = 0.25 m^{$$-$$3/2} s^{$$-$$1}).

4

JEE Main 2022 (Online) 26th June Evening Shift

MCQ (Single Correct Answer)

+4

-1

Arrange the four graphs in descending order of total work done; where W_{1}, W_{2}, W_{3} and W_{4} are the work done corresponding to figure a, b, c and d respectively.

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

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