A semicircle of 90 mm radius is cut out from a trapezium as shown in Fig.12 Find the position of the Centre of gravity of the figure
Mazurek Gravity Latest Questions
What is a cantilever truss? How will you find out its reactions?
An elevator cage of a mine shaft weighing 8 kN when empty is lifted or lowered by means of a rope. Once a man weighing 600 N entered it and lowered with uniform acceleration such that when a ...Read more
A helicopter is moving horizontally at 90 km.p.h. at a height of 200 m towards a target on the ground, which is intended to be shelled. Estimate the distance from the target, where the shell must be released ...Read more
Two blocks W1 and W2 resting on two inclined planes are connected by a horizontal bar AB as shown in Fig.8. If W1 is equals 1000 N, determine the maximum value of W2 for which the equilibrium can ...Read more
4. The ladder shown in Fig. below is 6 m long and is supported by a horizontal floor and a vertical wall. The coefficient of friction between the floor and the ladder is 0.25 and between the wall ...Read more
In a lifting machine an effort of 150 N raised a load of 7700 N. What is the mechanical advantage? Find the velocity ratio if the efficiency at this load is 60%. If by the same machine, a ...Read more