Physics, 16.11.2019 01:31, jasramos004
Which of the following would increase the output force of a lever?
a. increase the distance between the effort and the fulcrum
b. decrease the distance between the effort and the fulcrum
c. decrease the distance between the resistance and the effort
d. increase the distance between the resistance and the fulcrum
Answers: 2
Physics, 22.06.2019 05:00, caguil00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 12:10, JN02
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
Answers: 1
Physics, 22.06.2019 16:00, LikeIke2859
In which of the following is positive work done by a person on a suitcase
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Physics, 22.06.2019 18:00, kaylaamberd
Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
Answers: 1
Which of the following would increase the output force of a lever?
a. increase the distance b...
a. increase the distance b...
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