Applied mechanics and graphic statics questions with answers
234 multiple-choice questions. Open any question for its answer and explanation.
- Force polygon method is applicable for
- From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the same base and having the same height as that of the cylinder. The C.G. of the remainder is at a height of
- The unit of impulse, is
- The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of
- Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?
- The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by A. 1 : 2 B. 1 : 1 C. 2 : 1 D. 3 : 1
- Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
- The necessary condition of equilibrium of a body is
- When a body moves round a fixed axis, it has
- For maximum range of a projectile, the angle of projection should be
- A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is
- In a simple harmonic motion, the position of equilibrium is always
- The maximum displacement of a particle executing S.H.M. corresponds to
- A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is
- If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is
- Kinetic friction may be defined as
- Energy may be defined as
- A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec2)
- A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block?
- A retarding force on a body does not
- Power can be expressed as
- The reaction at the support B of the beam shown in below figure is
- The reaction at the central support B of the beam ABC hinged at D shown in below figure is
- The load shared by the member BC of the structure shown in below figure is
- The unit of rotational inertia of a body in C.G.S system is
