Physics, 23.10.2019 05:00 jessica112776
A2.0-kg block is on a perfectly smooth ramp that makes an angle of 30° with the horizontal. (a) what is the block’s acceleration down the ramp and the force of the ramp on the block? (b) what force applied upward along and parallel to the ramp would allow the block to move with constant velocity?
Answers: 1
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Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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A2.0-kg block is on a perfectly smooth ramp that makes an angle of 30° with the horizontal. (a) what...
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