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A mechanic wants to lessen a bolt of a car that requires 100N•m. If he plans to use 400N, at least how long should the wrench be? (90° to line of action) Jay, Mark, Ani, Roy Period 1

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I take my watermelon catapult to the park to throw some watermelons. What is the net torque of the catapult?

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When you push a door, you need 75 N. If the door is 5 meters in length, what was the net torque exerted? (Push it at the end)

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A bar needs to be held up by a string. The bar has mass 10kg and the angle between the bar and the string is 30degrees. The bar is 2m long. Find the tension of the string.

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By:Jaewon Kim, Helena Liao, Alison Thompson, & Ishan Karanwal

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By:Jaewon Kim, Helena Liao, Alison Thompson, & Ishan Karanwal

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A .75m long wrench screws a bolt at a 15 degree angle. It is applied with a downward 200N force. Find the magnitude of torque

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Two kids want to play on a seesaw. One has a mass of 200 kg while the other has a mass of 80 kg. The seesaw is 2 meters long. What distances from the fulcrum should the students be placed to ensure that the seesaw is in equilibrium (not moving)?