Lay a long "L" bow of uniform cross-section on a smooth horizontal plane and find its tension at a distance of "l" from one end when one end of it is drawn with force "F"​

In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a. m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration