Applied Mechanics And Graphic Statics - Study Mode
[#331] $$omega $$ rad/sec is the angular velocity of a crank whose radius is r. If it makes $${ heta ^ circ }$$ with inner dead centre and obliquity of the connecting rod $$l$$ is $$varphi $$, the velocity v of the piston, is given by the equation
Correct Answer
(C) $$omega left( {lsinvarphi + { ext{r}}cos varphi an heta }
ight)$$
[#332] The unit of rotational inertia of a body in C.G.S system is
Correct Answer
(C) gm.cm 2
[#333] A solid sphere of mass M and radius R rolls down a plane inclined at $$ heta $$ with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity)
Correct Answer
(D) $$frac{5}{7}{ ext{g}}sin heta $$
[#334] The ratio of unit of force in gravitational system to that in absolute system is (where ‘$${ ext{g}}$$’ is acceleration due to gravity)
Correct Answer
(B) $${ ext{g}}$$
[#335] A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if
Correct Answer
(C) Floor and wall both are smooth surfaces