Physics, 05.07.2019 03:20 Kellystar27
given a strong chain and a convenient tree, could you pull your car out of a ditch in the following way? fasten the chain to the car and to the tree. pull with a force f at the center of the chain as shown in the figure. from mechanics, we have f = 2t sin, or t = f/(2 sin θ), where t is the tension in the chain, that is, the force exerted on the car tree car 20 ft
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