1. A torque is exerted on a wheel of radius r ,causing the wheel to rotate throu
ID: 1662905 • Letter: 1
Question
1. A torque is exerted on a wheel of radius r,causing the wheel to rotate through an angle .Which one of the following expressions is correct for the workW done on the wheel by the torque?a. W =
b. W= r
c. W = r
2. Which one of the following statements is correct?
a. If the net force acting on an objectis zero, then the net torque acting on the object must also bezero.
b. If the net torqueacting on an object is zero, then the net force acting on theobject must also be zero.
c. If the net force actingon an object is zero and the net torque acting onthe object is also zero, then the object is in equilibrium
3.
Explanation / Answer
1 a) W =
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