Question

16. Determine the effort required
to lift a load of 1500 N. if the
efficiency of the machine is 40%
and velocity ratio is 50.
O 25 N
O 50 N
O 75 N
100 N
N​

Answer 1

ANSWER-

C. 75 N

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Answer 2

Explanation:

Distance moved by effort is 20m,that of load is 0.8m

VR=

L

d

E

d

VR=

0.8

20

VR=25

the load is 10,000N and effort=500N

MA=

effort

d

load

d

MA=

500

10000

MA=20