An air-conditioning unit is fastened to a roof that slopes at an angle of 35 degrees above the horizontal . Its weight is a force on the air conditioner that is directed vertically downward. In order that the unit not crush the roof tiles, the component of the unit’s weight perpendicular to the roof cannot exceed 425 N. (One newton, or 1 N, is the SI unit of force. It is equal to 0.2248 lb.) (a) What is the maximum allowed weight of the unit? (b) If the fasteners fail, the unit slides 1.50 m along the roof before it comes to a halt against a led

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A: NEWTON LAWS OF MOTION

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A: F1→=350N @ 1050=-90.59Ni^ +338.07Nj^F2→=450N @ 2030=-414.23Ni^  -175.83Nj^F3→=350N @ -360=283.16Ni^…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!