Two disgruntled businesspeople are trying to use a revolving door. The woman on

Question

Two disgruntled businesspeople are trying to use a revolving door. The woman on the left exerts a force of 625 N perpendicular to the door and 1.20 m from the hub's center trying to rotate it counterclockwise, while the man on the right exerts a force of 850 N perpendicular to the door and 0.8 in from the hub's center trying to rotate it clockwise. Find the net torque on the revolving door. 70N middot m: 55N middot m: 37N middot m You push downward on a trunk at an angle 25 degree below the horizontal with a force of 750 N. If the trunk is on a flat surface and the coefficient of static friction is 0.86, what is the most massive trunk you will be able to move? 48 kg 57 kg

Explanation / Answer

here,

8)

F1 = 625 N , x1 = 1.2 m

F2 = 850 N , x2 = 0.8 m

the net toruqe , T = F1 * x1 - F2 * x2

T = 625 * 1.2 - 850 * 0.8 N.m

T = 70 N.m

the net torque on the revolving door is A) 70 N.m

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