Question

You and a group of friends are both too fast and too furious. After a series...

You and a group of friends are both too fast and too furious. After a series of capers, you attempt to steal a heavy safe by dragging it away using chains attached to two cars. The safe has a mass of 745 kg. The coefficient of friction between the asphalt and safe is µk = 0.11 Your car pulls toward the right, but your partner gets confused and is pulling to the left. It’s a tug-of-war! Your car applies a force of 6000N to your chain, which is an angle of 50° above the ground. Your friend is driving in the other direction. His car applies a force of 4550 N to his chain, at an angle of 30° above the ground.

a. Who is winning? Show your work and explain which direction the safe is moving.

b. Find the force of friction between the safe and the ground.

c. Find the acceleration of the safe.

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