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2) A mass is placed on an inclined board (the board is angled 40 degrees with respect to the horizontal). The coefficient of static friction between the mass and the board is 0.4, and the kinetic friction coefficient is 0.3 and the mass is 5 kg. a) If the mass is let go from rest-will it start to slide down- explain. b) Suppose the mass is given an initial velocity down the incline. Calculate the acceleration of the mass. c) Suppose the mass is given an initial velocity up the incline. Calculate the acceleration of the mass.

2) A mass is placed on an inclined board (the board is angled 40 degrees with respect to the horizontal). The coefficient of static friction between the mass and the board is 0.4, and the kinetic friction coefficient is 0.3 and the mass is 5 kg. a) If the mass is let go from rest-will it start to slide down- explain. b) Suppose the mass is given an initial velocity down the incline. Calculate the acceleration of the mass. c) Suppose the mass is given an initial velocity up the incline. Calculate the acceleration of the mass.

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I couldnt figure this out during lecture in physics 1. Please explain how to solve it. ANSWER ALL OR DO NOT ATTEMPT. Thank you.
2) A mass is placed on an inclined board (the board is angled 40 degrees with respect to the horizontal). The coefficient of static friction between the mass and the board is 0.4, and the kinetic friction coefficient is 0.3 and the mass is 5 kg. a) If the mass is let go from rest- will it start to slide down - explain. b) Suppose the mass is given an initial velocity down the incline. Calculate the acceleration of the mass. c) Suppose the mass is given an initial velocity up the incline. Calculate the acceleration of the mass. arch NE
Transcribed Image Text:2) A mass is placed on an inclined board (the board is angled 40 degrees with respect to the horizontal). The coefficient of static friction between the mass and the board is 0.4, and the kinetic friction coefficient is 0.3 and the mass is 5 kg. a) If the mass is let go from rest- will it start to slide down - explain. b) Suppose the mass is given an initial velocity down the incline. Calculate the acceleration of the mass. c) Suppose the mass is given an initial velocity up the incline. Calculate the acceleration of the mass. arch NE
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