Applied mechanics and graphic statics questions with answers
234 multiple-choice questions. Open any question for its answer and explanation.
- The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator
- When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as
- A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight
- A cylinder will slip on an inclined plane of inclination angle $$\theta $$ if the coefficient of static friction between plane and cylinder is
- The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface
- Pick up the incorrect statement from the following. In a simple harmonic motion
- Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,
- Impulse can be obtained from a
- The angle of friction is
- M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is
- It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to
- A funicular polygon cannot be made to pass through
- One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is
- If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is
- The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin
- Rate of change of angular momentum is equal to
- The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known
- A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be
- A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be
- The units of inertia of mass are
- In the structure shown in below figure, the member which carries zero force, is
- The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are
- A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is
- If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is
- For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is A. 60 % B. 65 % C. 70 % D. 75 %
