A uniform ladder which is 5m long has a mass of 25kg , leans with its upper end against a smooth vertical wall and its lower end on rough ground. The bottom of the ladder is 3m from the wall.Calculate the frictional force between the ladder and the ground . (g=10ms^(-2))

A uniform ladder which is 5m long has a mass of 25kg , leans with its

1.	A uniform ladder which is 5m long has a mass of 25kg , leans with its upper end against a smooth vertical wall and its lower end on rough ground. The bottom of the ladder is 3m from the wall.Calculate the frictional force between the ladder and the ground . (g=10ms^(-2))
Answer» SOLUTION :`F=(1//2)MG cottheta=93.75N`