A 4kg eagle picks up a 75g snake and raises it 2.5 m from the ground to a branch. What is the work done by the eagle on the snake? (Assume g = 10 m/s^2)
(a) 100 J
(b) 1.875 J
(c) 118.75 J
(d) 10 J
The correct option is (b) 1.875 J
The explanation is: The work done by the eagle on the snake depends only on the mass of the snake.
Hence, the work done on the snake = (0.075 x 10 x 2.5) J
= 1.875 J.
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