First slide

Torque

Question

If a street light of mass M is suspended from the end of a uniform rod of length L in the different possible patterns as shown in figure, then :

Moderate

A

pattern A is more sturdy
B

pattern B is more sturdy
C

paffern C is more sturdy
D

all will have same sturdiness

Solution

For same tension in cable, more counter torque will be provided in (A) so pattern A is more sturdy.

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