problem 15 a block of mass m is pushed against a wall by a force f1 th
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Problem 15. A block of mass m is pushed against a wall by a force F1 that makes an angle 0 = 50° with the horizontal. The coefficient of static
friction between the block and wall is 0.25. (a)Determine the possible values for the magnitude of F that allow the block to remain stationary.(b) Describe what happens if |F|| has a larger value and what happens if it is smaller.