Two boys push on a box. One pushes with a force of 125 N to the east. The other exerts a force of 165 N to the north. What is
the size and direction of the resultant force on the box?
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What is created when solids,liquids,an gases mix with one another

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?