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Why is it more difficult to move a stone tied with a longer string than a stone tied with a shorter string?

Why is it more difficult to move a stone tied with a longer string than a stone tied with a shorter string?

Grade:11

2 Answers

SAHIL
3778 Points
6 years ago
To rotate it we need torque
Torque= force x perpendicular distance
 If the length of string is short, it means perpendicular distance is short. So less torque is required
So is it difficult to move a stone tied with a longer string than a stone tied with a shorter string as longer string cause larger perpendicular distance
Savya sapkota
13 Points
6 years ago
The instantaneous velocity of the shorter string stone going around the circular path is more tangential to than that of longer one so it is harder to move a stone tied with longer string than that of stone tied with shorter string

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