A boy with a mass of 40kg is seated a distance of 3.0m from the fulcrum of a seesaw.
a. Calculate the load force exerted by the boy (Hint: What force is pulling him down?)
b. Calculate the torque exerted by the boy.
c. If his sister with a mass of 24 kg wants to balance the seesaw, how far away from the fulcrum should she sit?
5 answers