Sagar was trying to move a heavy object. What can he do to move the object by applying least amount of force (a) Introduce wheels on the bottom of the object (b) Put some oil on the ground (c) Put some sand dust on the ground (d) Nothing can be done
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Answered by
1
Answer:
introduce wheel on the ground as wheels are the resistance of friction.
sand or oil are also the other resisters of the friction but putting them on the ground can make the the object to fall over.
option a is correct.
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Answered by
1
Answer:
a) Introduce wheels on the bottom of the object
Explanation:
The correct answer is option a) because if wheels are put under the object then rolling friction will come into play. As we already know rolling friction has the least resistance as compared to all the dry friction, i.e. STATIC FRICTION, SLIDING FRICTION AND ROLLING FRICTION.
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