physics
A weightless beam rests on two supports. The beam supports a weight of 120 newtons. What are the magnitudes of the forces on each end ( A & B) of the beam?
physics
again-set up?
physics
A female whose mass is 130 kilograms is standing on a scale in an elevator that has an initial downward velocity of 6 meters per second and is accelerating upward at 7 meters per second. What's the magnitude of the apparent weight indicated by the scale?
physics
I'm confused as how you'd set these up..
physics
Trenton struggled as he lifted a 27kg mass vertically a distance of 9 meters in 4minutes with a constant velocity. A-how much work did he do? B-What was the average power comsumption in watts?
physics
Forces of 1,5,3, and F newtons are applied to a weightless board that rests on a fulcrum. The board doesn't rotate-what's the magnitude of the force F?
physics
a 1462 kilogram block was lifeted vertically at a constant velocity a distance of 0.08 x 10(to the 6th power) meters in 5minutes. A-how much work was done? B-what was the average power consumption in watts?
physics
not helpful..
physics
Three forces are applied to a box wrench. find the total torque about the bolt in newton-meters caused by these forces. Is the torque a positive torque or a negative torque?
physics
wonderful, ty
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