Q. The Law of Polygon of Forces states that

View solution

Q. Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

View solution

Q. Which one of the following statements is true ?

View solution

Q. A projectile is thrown at an angle a to the horizontal with α velocity v. It will have the maximum centripetal acceleration

View solution

Q. The unit of Moment of Inertia of a body, is

View solution

Q. If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

View solution

Q. If the gravitational accelerational at any place is doubled, the weight of a body, will

View solution

Q. The product of mass and velocity of a moving a body, is called

View solution

Q. Engineer's units of force, is

View solution

Q. Joule is the unit of

View solution

Q. The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is

View solution

Q. Pick up the correct statement from the following :

View solution

Q. If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

View solution

Q. The total time of collision and restitution of two bodies, is called

View solution

Q. The length of a Second's pendulum, is

View solution

Q. If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is movng downwards, the acceleration of the lift, is

View solution

Q. One Newton force, is

View solution

Q. The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is 1/2 , the velocities of separation of the balls will be equal to

View solution

Q. The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called

View solution

Q. Work may be defined as

View solution