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A box with a mass of 275N rests on a frictionless ramp inclined at an angle...

A box with a mass of 275N rests on a frictionless ramp inclined at an angle of 25° to the level ground. What force must be applied to the box at an angle of 45° to the ramp so that it remains at rest? (Final answer should be 164.4N) Please show all work and try to write neatly.

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