reaction force on the boom. о т 3. A uniform ladder (m 50 kg) is leaning against a smooth wall. If the floor is rough with us = .5: а. Draw the FBD for the ladder. b. Write 1st and 2nd conditions of equilibrium for the ladder. c. Find the critical angle the ladder makes with the floor when it is about to slip d. What is the friction force between the ladder and the ground? 4. A physics student (M 60 kg) climbs 34 way up the ladder in problem 3. What is the critical angle now? 11

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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.