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Why is it easier to climb a mountain via...

Why is it easier to climb a mountain via a zigzag trail rather than to climb straight up ?

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PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-Discussion Question
  1. An elevator descends from the top of a building and stops at the groun...

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  2. For a person to loose weight, is it more effective to exercise or to c...

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  3. Does the work done in raising a body through a certain height depend u...

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  4. The displacement of a body depends on the reference frame of the obser...

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  5. A car is running on a road. The driver applies the brakes such that th...

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  6. Why is ittiring to hold a heavy weight eventhough no work is done ?

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  7. If positive work is done putting a body into motion, is the work done ...

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  8. Consider the situation - A laborer carrying bricks on his head on a le...

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  9. Does the work done by a force depend on the frame of reference ?

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  10. A lorry and a car moving with the same kinetic energy are brought to r...

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  11. A car accelerates from an initial speed to a greater final speed while...

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  12. Two protons are brought towards each other. Will the potential energy ...

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  13. For a conservative system, what is (DeltaE)/(Deltat)? (E is the At kin...

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  14. An automobile jack is used to lift a heavy car by exerting a force tha...

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  15. Raj meets Jene after several years and is immediately attracted to her...

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  16. A rowboat moves in west direction upstream at 4 kph relative to water...

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  17. If we throw a stone at an angle to the horizontal, it follows a parabo...

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  18. Match the following : {:(,"Column-I",," Column-II"),("(A)","Work don...

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  19. In a tug of war, one team is giving way to other. What work is being d...

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  20. Why is it easier to climb a mountain via a zigzag trail rather than to...

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