A uniform ladder of mass 30kg and length 5m rest against a smooth vertical wall with its lower end on a rough ground. The coefficient of friction is 0.4.the ladder is inclined at 60 degrees to the horizontal. Find how far a man of mass 80kg can climb without the ladder slipping?

asked by Steven

6 years ago

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1 answer

N=30kg + 80kg = 110kg----1
f=0.4*N-----2

answered by REINA SHARON

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Question

A uniform ladder of mass 30kg and length 5m rest against a smooth vertical wall with its lower end on a rough ground. The coefficient of friction is 0.4.the ladder is inclined at 60 degrees to the horizontal. Find how far a man of mass 80kg can climb without the ladder slipping?

1 answer

N=30kg + 80kg = 110kg----1
f=0.4*N-----2

REINA SHARON · Accepted Answer

N=30kg + 80kg = 110kg----1 f=0.4*N-----2