Draw the diagram of a block and tackle system of pulleys having V.R.=5

1.	Draw the diagram of a block and tackle system of pulleys having V.R.=5. If 500kgf load is raised bythis system of pulleys then what is the effort required?
Answer» (i) 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 solution

Draw the diagram of a block and tackle system of pulleys having V.R.=5. If 500kgf load is raised bythis system of pulleys then what is the effort required?

Answer»

(i) Diagram of a system indicating the DIRECTION of its load and EFFORT is given.

(II) EFFICIENCY =

V.R

M.A

×100

75=

M.A

×100

M.A.=

100

75×5

=3.75

M.A=

Effort

Load

3.75=

150kgf

Load

Load =3.75×150

=562.5kgf

solution

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Draw the diagram of a block and tackle system of pulleys having V.R.=5. If 500kgf load is raised bythis system of pulleys then what is the effort required?​

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Draw the diagram of a block and tackle system of pulleys having V.R.=5. If 500kgf load is raised bythis system of pulleys then what is the effort required?