The crate has a mass of 80 kg and is being towed by a chain which is always directed at 20° from the horizontal as shown. Determine the crate's acceleration in t = 2 s if the coefficient of static friction is μs = 0.4, the coefficient of kinetic friction is μk = 0.3, and the towing force is P =(90t²) N, where t is in seconds.
The crate has a mass of 80 kg and is being towed by a chain which is always directed at 20° from the horizontal as shown. Determine the crate's acceleration in t = 2 s if the coefficient of static friction is μs = 0.4, the coefficient of kinetic friction is μk = 0.3, and the towing force is P =(90t²) N, where t is in seconds.
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The crate has a mass of 80 kg and is being towed by a chain which is always
directed at 20° from the horizontal as shown. Determine the crate's acceleration
in t = 2 s if the coefficient of static friction is μs = 0.4, the coefficient of kinetic
friction is μk = 0.3, and the towing force is P =(90t²) N, where t is in seconds.
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Transcribed Image Text:20°
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