In a tractor pulling contest, a 2300-kg tractor pulls a4900-kg sledge with an ac

Question

In a tractor pulling contest, a 2300-kg tractor pulls a4900-kg sledge with an acceleration of .61 m/s^2. If the tractorexerts a horizontal force of 7700 N on the ground, determine themagnitudes of: A) The force of the tractor on the sledge B) The force of the sledge on the tractor C) The frictional force exerted on the sledges by theground In a tractor pulling contest, a 2300-kg tractor pulls a4900-kg sledge with an acceleration of .61 m/s^2. If the tractorexerts a horizontal force of 7700 N on the ground, determine themagnitudes of: A) The force of the tractor on the sledge B) The force of the sledge on the tractor C) The frictional force exerted on the sledges by theground

Explanation / Answer

Mass of tractor m = 2300 kg mass of sledge M = 4900 kg acceleration a = 0.61 m / s ^ 2 Horizontal force F = 7700 N (A). The force of the tractor on the sledge = F - M a                                                                = 4711 N (B). The force of the sledge on the tractor = Ma                                                                = 2989 N (C ) . The frictional force exerted on the sledges by theground = m a                                                                                               = 1403 N

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