Calculate the magnitude of the normal force

Reference no: EM1356428

Q. How much energy is necessary to place three charges, each of 3.0 micro Coulomb's, at the corners of an equilateral triangle of side 2.0cm?

Q. A chair of weight 80.0 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 44.0 directed at an angle of 42.0 below the horizontal and the chair slides along the floor.
Using Newton's laws, calculate , the magnitude of the normal force that the floor exerts on the chair.

Reference no: EM1356428

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