Awrench 20 cm long lies along the positive y-axis and grips a bolt at the origin. a force is applied in the direction 0, 4, −3 at the end of the wrench. find the magnitude of the force needed to supply 150 n · m of torque to the bolt. (round your answer to the nearest whole number)

1250 N

Explanation:

length of wrench = 20 cm = 0.2 m

Write the length of wrench in vector form

r = 0.2 j metre

Direction of force=

Let the magnitude of force is F

So, write the force in vector form

F = F  

torque, T = 150 Nm

Torque = T = r x F

F = 1250 N

Thus, the magnitude of force is 1250 N.

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