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High School Set 13 (2019) - Round 16 - Question 5

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BONUS: Physics Short Answer

Nick, who has a mass of 40 kilograms, is inflating his bike tires with a foot-pedal pump that extends 50 centimeters at a 60-degree incline to the ground. If he steps so that his entire weight acts vertically onto the tip of the pedal, then in newton-meters, what is the magnitude of the initial torque [tork] on the pump?

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