Calculate the torque (magnitude and direction) about point O due to the force F

Question

Calculate the torque (magnitude and direction) about point O due to the force F in each of the situations sketched in the figure below (Figure 1) . In each case, the force F and the rod both lie in the plane of the page, the rod has length 6.00 m , and the force has magnitude 4.00 N . Let counterclockwise torques be positive.

Case (a):

Express your answer in newton meters to three significant figures.

Case (b):

Express your answer in newton meters to three significant figures.

Case (c):

Express your answer in newton meters to three significant figures.

Case (d):

Express your answer in newton meters to three significant figures.

Case (e):

Express your answer in newton meters to three significant figures.

Case (f):

Express your answer in newton meters to three significant figures.

Explanation / Answer

a. torque = 4*6=24Nm

b. torque = 4 cos30*6=12*1.732=20.784Nm

c.torque =4 cos60*6=12 Nm

d.torque =4cos30*4=6.928Nm

e. torque=0

f.torque =0

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