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Physics - W.E.P. Question with Solution | TestHub

PhysicsW.E.P.MiscellaneousEasy2 minPYQ_2022

PhysicsEasysingle choice

The work done by a force on body of mass $5 kg$ to accelerate it in the direction of force from rest to $20 m / s$ in 10 second is

Options:

Answer:

Solution:

The correct option is (B). Concept: According to the work-energy theorem: Total work done by all forces (conservative or non - conservative) $=$ Change in K.E. $W = \frac{1}{2} mv^{2} = \frac{1}{2} \times 5 \times 2 0^{2} = 1 0^{3} J$

Stream:MHT_CETSubject:PhysicsTopic:W.E.P.Subtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2022

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