Question

10.
Numerical Problems
a.
ine.
br
>
C.
A load of 1000 N can be lifted by applying an effort of 250 N. If the load arm
is 25 cm, calculate the effort arm.
[Ans: 100 cm]
An effort of 20 N is applied to lift a load. If the load arm and effort arm are
15 cm and 60 cm respectively, calculate the load.
[Ans: 80 N)
Neha and Reha are playing see-saw. Neha is sitting 60 cm away from
the fulcrum and Reha is sitting 40 cm away from the fulcrum. Calculate
the effort that Reha should apply to lift Neha. The weight of Neha is
360 N.
[Ans: 540 N]
Study the given figure and calculate the load distance. [Ans: 20 cm]
nude
d.
Lot
325 N
40 cm
mps
650N
?
e.
An effort of 4 N is applied to lift a load of 20 N. If the effort arm is 5m,
calculate the following:
(i) load arm
(ii) input work (iii) output work
[Ans: (i) 1m (ii) 20 Nm (iii) 20 Nm​

Answer 1

Answer:

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Answer 2

Answer:

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