A man climbs a slope and another walks the same distance on level road. Which of the two expends more energy and why?

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Solution

The man who walks on a level road does no work as he is walking at the right angle in the direction of gravitational force.
Hence the man who climbs a slope is doing more work because he gains height and has extra potential energy.

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A man climbs a slope and another walks the same distance on level road. Which of the two expends more energy and why?

The man who walks on a level road does no work as he is walking at the right angle in the direction of gravitational force. Hence the man who climbs a slope is doing more work because he gains height and has extra potential energy.

The man who walks on a level road does no work as he is walking at the right angle in the direction of gravitational force.
Hence the man who climbs a slope is doing more work because he gains height and has extra potential energy.