The instantaneous angular position of a point on a rotating wheel is given by the equation θ(t) = 2t3 – 6t2. The torque on the wheel becomes zero at …………… .
A. t = 1s
B. t = 0.5s
C. t = 0.25 s
D. t = 2s
Answer:A
The instantaneous angular position of a point on a rotating wheel is given by the equation θ(t) = 2t3 – 6t2. The torque on the wheel becomes zero at …………… .
A. t = 1s B. t = 0.5s C. t = 0.25 s D. t = 2s