Applied mechanics and graphic statics questions with answers
234 multiple-choice questions. Open any question for its answer and explanation.
- The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
- If the angular distance, 0 = 2t3 - 3t2, the angular acceleration at t = 1 sec. is
- If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by
- The member which does not carry zero force in the structure shown in below figure, is
- The motion of a bicycle wheel is
- Dimensional formula of Universal Gravitational constant G is
- Effect of a force on a body depends upon its
- The following statement is one of the laws of Dynamic friction
- A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be
- Minimum pull in a suspended cable with supports at two ends is equal to
- Pick up the correct statement from the following. The kinetic energy of a body
- The force polygon representing a set of forces in equilibrium is a
- A system of coplanar forces is in equilibrium when
- In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?
- A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately
- Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by
- One Newton is equivalent to
- One Joule is equivalent to
- A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ?
- The unit of moments in M.K.S system, is
- One Newton force, is
- On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts
- On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts
- For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is
- In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is