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A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough ho...Asked by still don't understand; please help
A uniform ladder of length 20.0m and weight 750 N is propped up against a smooth vertical wall with its lower end on a rough horizontal surface. The coefficient of friction between the ladder and this horizontal surface is 0.40.
(a) Draw a diagram for the ladder showing all the forces acting on the ladder.
(b) Work out and add the numerical values of each force clearly showing your justification in each case.
(c) Hence, calculate a value for the angle between the ladder and the wall if the ladder just remains in stable equilibrium.
I still don't understand; please help:-(
(a) Draw a diagram for the ladder showing all the forces acting on the ladder.
(b) Work out and add the numerical values of each force clearly showing your justification in each case.
(c) Hence, calculate a value for the angle between the ladder and the wall if the ladder just remains in stable equilibrium.
I still don't understand; please help:-(
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