[10 marks]
a. A coolie X carrying a load on his head climbs up a slope and another coolie Y carrying the identical load on his head moves the same distance on a frictionless horizontal platform.
Who does more work? Explain the reason
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THIS IS VERY SIMPLE COOLIE X HAS TO APPLY MORE FORCE AND HAS TO MORE WORK AS COOLIE Y HAS A FRICTIONLESS PLATFORM SO ITS EASY FOR HIM TO MOVE MOVING ON AN INCLINED SLOPE IS ALWAYS DIFFICULT
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Answer:
THIS IS VERY SIMPLE COOLIE X HAS TO APPLY MORE FORCE AND HAS TO MORE WORK AS COOLIE Y HAS A FRICTIONLESS PLATFORM SO ITS EASY FOR HIM TO MOVE MOVING ON AN INCLINED SLOPE IS ALWAYS DIFFICULT
Explanation:
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