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

PhysicsW.E.P.MiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A particle of mass $m$ is projected at an angle $α$ to the horizontal with an initial velocity $u$ . The work done by gravity during the time it reaches its highest point is -

Options:

Answer:

Solution:

$W_{g} = - Δ U$

Work done by gravity = decrease in potential energy

$W = - mgH = - mg (\frac{u^{2} {sin}^{2} α}{2 g})$

$= - \frac{m u^{2} s i n^{2} α}{2}$

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

⏱ 2mℹ️ Source: PYQ_2020

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