Multiple Choice
A circular saw is powered by a motor. When the saw is used to cut wood, the wood exerts a torque of 0.80 N · m on the saw blade. If the blade rotates with a constant angular velocity of 20 rad/s the work done on the blade by the motor in 1.0 min is:
A) 0
B) 480 J
C) 960 J
D) 1400 J
E) 1800 J
Correct Answer:
Verified
Correct Answer:
Verified
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