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A heavy sled is being pulled by two people as shown in the figure. The coefficient...

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Physics

A heavy sled is being pulled by two people as shown in thefigure. The coefficient of static friction between the sled and theground is μs = 0.571, and the kinetic friction coefficient is μk =0.395. The combined mass of the sled and its load is m = 306 kg.The ropes are separated by an angle φ = 23°, and they make an angleθ = 29.7° with the horizontal.

Assuming both ropes pull equally hard, what is the minimum ropetension required to get the sled moving?

If this rope tension is maintained after the sled starts moving,what is the sled\'s acceleration?

Answer & Explanation Solved by verified expert
3.6 Ratings (453 Votes)
The force of gravity on the sled is Fg m g Fg 306 98 Fg 29998 N The force of static friction is Fsf us Fg Fsf 0571 29998 Fsf 17123 N Say the force exerted by ONE    See Answer
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