A coolie X Carrying a load on his head climbs up a slope and another coolie Y carrying the identical load on his head move the same distance on a frictionless horizontal platform. Who does more work? Explain the reason.

Home » A coolie X Carrying a load on his head climbs up a slope and another coolie Y carrying the identical load on his head move the same distance on a frictionless horizontal platform. Who does more work? Explain the reason.

Class 10 | ICSE | Physics | Selina | Work Energy

A coolie X Carrying a load on his head climbs up a slope and another coolie Y carrying the identical load on his head move the same distance on a frictionless horizontal platform. Who does more work? Explain the reason.

Solutions:

The capacity to do work is energy, and the amount of energy expended equals the amount of work completed. The coolie X will do more work because his work involves a change in potential energy, kinetic energy, and energy loss due to friction, whereas the work done by the coolie Y carrying the load on a horizontal frictionless surface does not involve a change in potential energy, kinetic energy, or energy loss due to friction.

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