Question: The coefficient of static and dynamic friction between a 2 0 0 k sled and the ground is . 2 5 and . 2 respectively.

The coefficient of static and dynamic friction between a 200k sled and the ground is .25 and .2 respectively.
1. What is the force needed to start moving a sled 200kg sled?
2. What is the force needed to keep the sled moving?

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