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Question 71: A boy tries to push a truck parked on the roadside. The truck does not move at all. Another boy pushes a bicycle. The bicycle moves through a certain distance. In which case was the work done more : on the trick or on the bicycle? Give a reason to support your answer.
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Answer:
Work done is more when the boy pushes a bicycle because the force applied by him on the bicycle results in the motion of the bicycle. On the other hand, the boy trying to push a heavy truck parked on the roadside results in zero work, as there is no motion in the truck.
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Question Text | Question 71:
A boy tries to push a truck parked on the roadside. The truck does not move at all. Another boy pushes a bicycle. The bicycle moves through a certain distance. In which case was the work done more : on the trick or on the bicycle? Give a reason to support your answer. |
Updated On | Nov 25, 2022 |
Topic | Work and Energy |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 94 |
Avg. Video Duration | 4 min |