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A 2.73 kg block of wood rests on a steel desk (see figure below). The coefficient of static friction between the block and the desk

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A 2.73 kg block of wood rests on a steel desk (see figure below). The coefficient of static friction between the block and the desk is [150.46 and the coefficient of kinetic friction is pk=0.355. At time t=0 s, a force F=7.6 N is applied horizontally to the block. Q: Determine the force of friction applied to the block by the table at the following times, and, in each case, state whether the friction is static or kinetic. a) t=Os b) tbOs Q: Consider the same situation, but now the applied force F is 15 N. Again, state the force of friction acting on the block at the following times, and in each case, state whether the friction is static or kinetic. a) t=0s b) t>Os _.__.. ..__._._._ __ _.._.. __._.. _. -.._ .__.. I....__ ... J ____________ 1. Getting Started: State the important information and summarize the problem. If possible, include a diagram. Note any assumptions you're making. 2. Devise Plan: Devise a plan of attack before diving into the solution. Break down the problem into smaller, manageable segments. Identify which physical relationships you can apply. 3. Execute Plan: Carry out your plan, explaining each step. The argument should be easy to follow. Articulate your thought process at each step (including roadblocks). Any variables should be clearly defined, and your diagrams should be labeled. 4. Evaluate Solution: Check each solution for reasonableness. There are many ways to justify your reasoning: check the symmetry of the solution, evaluate limiting or special cases, relate the solution to situations with known solutions, check units, use dimensional analysis, andfor check the order of magnitude of an answer. Note: If you got stuck in the Execute Plan stage and there is no

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