Q. A body is said to move with Simple Harmonic Motion if its acceleration, is

View solution

Q. One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

View solution

Q. Which one of the following laws is not applicable to a simple pendulum ?

View solution

Q. Effect of a force on a body depends upon its

View solution

Q. For a body moving with simple harmonic motion, the number of cycles per second, is known as its

View solution

Q. If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

View solution

Q. The shape of a suspended cable under its own weight, is

View solution

Q. Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is

View solution

Q. The characteristic of a couple, is :

View solution

Q. If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

View solution

Q. If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

View solution

Q. The units of moment of inertia of an area, are

View solution

Q. To avoid bending action at the base of a pier,

View solution

Q. Lami's theroem states that

View solution

Q. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

View solution

Q. If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along

View solution

Q. 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

View solution

Q. Power can be expressed as

View solution

Q. A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be

View solution

Q. The resolved part of the resultant of two forces inclined at an angle θ in a given direction is

View solution