Question

A mechanic jacks up a car to an angle of 12.0° to change the front tires....

A mechanic jacks up a car to an angle of 12.0° to change the front tires. The car is 3.20 m long and has a mass of 1180 kg. Its center of mass is located 1.12 m from the front end. The rear wheels are 0.40 m from the back end. Calculate the torque exerted by the car around the back wheels.

______N · m

clockwise or counterclockwise

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Answer #1

soln: >COM K-112 1go mg K32m 171 = 18x81 = force x perpendicular distance. T = mg x [2.2–1-1904] Callao * 1T1=T= 19002.98 Nm

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