Question

60kg sled is pulled by a string with a force of 100N and the string makes an angle of 60 degrees above the horizontal (up and to the right). The sled starts at rest and is moving at 2.5 m/s to the right after 5 seconds.

1. Find the acceleration of the sled.

1. Find the horizontal component of the pull force (Horizontal tension).

2. Using the acceleration found in part 1 and the force in part 2, find the force of friction opposing the forward motion.

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