JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

The work done in pulling up a block of wood weighing 2 kN for a length of 10 m on a smooth plane inclined at an angle of 15° with the horizontal is [sin 15° = 0.2588]

Answer: (B)

Solution

On a smooth incline, the work done pulling the block up along the incline equals

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Question ID VK-153854