Physics, 06.05.2021 20:30 bobk1433

A 6m long lever is pivoted 2m away from one end a 30 kg body is placed on this end. If a force of 200N is applied on the other end (draw a simple diagram)
and find
a. The order of the lever
b. M. A
c.
Wi
d. Wo
e.
If the V. R is twice the M. A find the efficiency of the machine

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 13:30, nettaboo4664

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute

Answers: 1

continue

Physics, 22.06.2019 11:00, taylorwhitfield6

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

Answers: 1

continue

Physics, 22.06.2019 14:30, val926

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

Answers: 2

continue

Physics, 22.06.2019 18:30, TheSpeedster

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

Answers: 1

continue

You know the right answer?

A 6m long lever is pivoted 2m away from one end a 30 kg body is placed on this end. If a force of...