[SOLVED] what is the magnitude of net torque about the axle? Express your answer to two sign?

what is the magnitude of net torque about the axle? Express your answer to two sign?

Part A

In the figure (Figure 1) , what is the magnitude of net torque about the axle?

Express your answer to two significant figures and include the appropriate units.

Fig-1:

image

Part B

What is the direction of net torque about the axle?

Counterclockwise?

Clockwise?

Answer:

This is the Best Answer for what is the magnitude of net torque about the axle? Express your answer to two sign?

0.2Nm

Clockwise

r=0.02 m

Torque = r*30-r*20 ( taking inside the plane +ve direction)

Thus you get the answer 0.2 which is positive hence net torque in clock wise direction.

Applying right hand thumb rule.

It should be T=r*20-r*30

Your answer will be 0.20J

i think this is the correct answer for what is the magnitude of net torque about the axle? Express your answer to two sign?

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