Question

i) A machine has VR = 5.Using the machine a load of 500 N is raised a distance of 2 m by an effort of 160 N. Calculate

Answer 1

Answer:

Diagram of a system indicating the direction of its load and effort is given.

(ii) Efficiency =

V.R

M.A

×100

75=

5

M.A

×100

M.A.=

100

75×5

=3.75

M.A=

Effort

Load

3.75=

150kgf

Load

Load =3.75×150

=562.5kgf