Physics, 29.12.2021 03:40 helpmeplzz27
The distance from a to b is 20 cm, and the distance from a to c is 80 cm. What is the mechanical advantage of the system if effort is put on the longer arm?
A. 0.25
B. 4
C. 40
D. 80
Answers: 2
Physics, 21.06.2019 23:20
The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.
Answers: 3
Physics, 22.06.2019 03:00
Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?
Answers: 3
The distance from a to b is 20 cm, and the distance from a to c is 80 cm. What is the mechanical adv...
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