Equilibrium of Concurrent Forces Ex 10 I Tipping Roller I Engineering Mechanics

Описание: In this videos you will find Solution of following Problems on Equilibrium of Coplanar Concurrent Force Systems:
1. Determine the force P applied at 30o to the horizontal just necessary to start a roller having radius 50 cm over an obstruction 12 cm high, if the roller is of mass 100 kg, shown in figure. Also find the magnitude and direction of P when it is minimum.

2. A uniform wheel of 50 cm diameter and 1 KN weight rests against a rigid rectangular block of thickness 20 cm. Considering all surfaces smooth, determine: (i) Least pull to be applied through the centre of wheel to just turn it over the corner of block. (ii) Reaction of block.

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