When a body of mass m slides down from the top of a smooth inclined plane of length L and inclination - the work done by the gravitational force on the body is Given acceleration due to gravity -g-

The correct option is C mgL sinθ W.D =Δ P.E #160; #160; #160; #160; =mgh #160; #160; #160; #160; =mg #160; #160 ...

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Standard X

Physics

Work Done by Force of Gravity

When a body o...

Question

When a body of mass $m$ slides down from the top of a smooth inclined plane of length $L$ and inclination $θ$ , the work done by the gravitational force on the body is (Given acceleration due to gravity $= g$ ):

mgL

cos θ

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mgL

sin θ

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mgL

tan θ

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2mgL

sin θ

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Solution

The correct option is C mgL $sin θ$
W.D $= Δ P . E$
$= m g h$
$= m g L s i n θ$

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When a body of mass m slides down from the top of a smooth inclined plane of length L and inclination θ, the work done by the gravitational force on the body is (Given acceleration due to gravity =g):

The correct option is C mgL sinθW.D =ΔP.E =mgh =mgLsinθ

When a body of mass $m$ slides down from the top of a smooth inclined plane of length $L$ and inclination $θ$ , the work done by the gravitational force on the body is (Given acceleration due to gravity $= g$ ):

The correct option is C mgL $sin θ$
W.D $= Δ P . E$
$= m g h$
$= m g L s i n θ$