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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity)

(1/3) g sin0
(2/5) g sin 0
(5/7) g sin0
(3/7) g sin 0

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Applied Mechanics and Graphic Statics
A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is

1
e*72
e4*
e2*

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Applied Mechanics and Graphic Statics
A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be

E/2
E
2E
4E

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Applied Mechanics and Graphic Statics
M.I. of solid sphere, is

Mr²
½ Mr²
πr4/2
⅔ Mr²

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Applied Mechanics and Graphic Statics
Coefficient of friction depends on

Both (A) and (B)
Area of contact only
Nature of surfaces only
None of these

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Applied Mechanics and Graphic Statics
Minimum potential energy of a system will be in the position of

Neutral equilibrium
All of these
Unstable equilibrium
Stable equilibrium

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