Physics, asked by ghazalajamal685, 11 months ago

In the given diagram, with what force must the man
pull the rope to hold the plank in position? Weight
of the man is 60 kgf. Neglect the weights of plank,
rope and pulley
(A) 15 kgf
(8) 30 kgf
(C)60 kgf
(D) 120 kgf

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Answers

Answered by abiknn24

4

B. 60 kgf is the answer . I guess it is right

Attachments:

ghazalajamal685: no option a is correct

ghazalajamal685: by the way thanks for help

abiknn24: Can u explain me how it is option a?

ghazalajamal685: 4t=60

ghazalajamal685: as weight is given not mass

ghazalajamal685: and weight=mass×(acceleration due to gravity)

abiknn24: Thanks

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