A 75 kg uniform plank is supported by the floor at one end and by a vertical rope at the other end as shown in the figure. A 32 kg mass person stands on the plank a distance three-fourth of the lenght plank from the end on the floor. a- Draw a force diagram for the plank. Write net force and net torqueequations for the plank. b-What is the tension in the rope? c-What is the magnitude of the force that the floor exerts on the plank?

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.