Questions
Let
a
τ→.F→=0 and F→.τ→≠0
b
r→.τ→≠0 and F→.τ→=0
c
r→.τ→≠0 and F→.τ→≠0
d
r→.τ→=0 and F→.τ→=0
detailed solution
Correct option is D
We know that the torque τ→ is τ→=r→×F→ This implies the torque is perpendicular to both the vectors r→ and F→ Therefore r→.τ→ =0as well as F→.τ→=0Talk to our academic expert!
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A particle of mass m is moving along a trajectory given by and . The torque, acting on the particle about the origin, at t=0 is:
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