20. (Rolling, Torque, and Angular Momentum) A person exerts a hori- zontal force of 42 N...

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20. (Rolling, Torque, and Angular Momentum) A person exerts a hori- zontal force of 42 N on the end of a door 96 cm wide. What is the magnitude of the torque if the force is exerted i perpendicular to the door? ii at a 60.0° angle to the face of the door? Answer: i) T 40 mN ii) T 35 mN 20. (Rolling, Torque, and Angular Momentum) A person exerts a hori- zontal force of 42 N on the end of a door 96 cm wide. What is the magnitude of the torque if the force is exerted i perpendicular to the door? ii at a 60.0° angle to the face of the door? Answer: i) T 40 mN ii) T 35 mN