In laboratory experiment, a 0.5-kg block resting on a table is pulled by a constant horizontal force that causes it to accelerate at a rate of 2.5 m/s2. a) Calculate the magnitude of the applied force if friction between the surface is negligible.  b) Calculate the magnitude of the applied force if friction between the surface is 2 N.

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Chapter4: Forces In One Dimension
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In laboratory experiment, a 0.5-kg block resting on a table is pulled by a constant horizontal force that causes it to accelerate at a rate of 2.5 m/s2.

a) Calculate the magnitude of the applied force if friction between the surface is negligible. 

b) Calculate the magnitude of the applied force if friction between the surface is 2 N.

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