Magnitude and opposite in direction
You hold a brick at rest in your hand. (a) How many forces act on the brick? (b) Identify these forces. (c) Are these forces equal in magnitude and opposite in direction? (d) Are these forces an action-reaction pair? Explain.
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A 31 kg child slides down along an inclined slide that makes an angle 35o with the horizontal. If the length of the slide is 15 m and the speed of the child is 5.5 m/s at the bottom of the slide, what is the average frictional force between the c
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