Engineer's units of force, is
One Newton force, is
Two forces act an angle of 120°. If the greater force iskg and their resultant is perpendicular to the smaller force, the smaller force is
Pick up the correct statement from the following :
A bullet weighingg is fired horizontally with a velocity ofm/sec from a gun carried on a carriage which together with the gun weighskg. The velocity of recoil of the gun, will be
The mechanical advantage of an ideal machine isFor moving the local through 2 m, the effort moves through
The C.G. of a right circular cone lies on its axis of symmetry at a height of
Joule is the unit of
If the radius of the earth iskm the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, loosesseconds a day, is
The tension in a cable supporting a lift
The unit of Moment of Inertia of a body, is
A string of lengthcm is fastened to two points A and B at the same levelcm apart. A ring weighingg is slided on the string. A horizontal force P is applied to the ring such that it is in equilibrium vertically below B. The value of P is :
When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as
To attain the synchronous orbit, the launch of a satellite, is done from a place
A uniform rod 9 m long weighingkg is pivoted at a point 2 m from one end where a weight ofkg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclinationwith horizontal, is
The maximum velocity of a body vibrating with a simple harmonic motion of amplitudemm and frequency 2 vibrations/sec, is
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
The total time of collision and restitution of two bodies, is called
A satellite moves in its orbit around the earth due to
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
If a particle is projected inside a horizontal tunnel which iscm high with a velocity ofm per sec, the angle of projection for maximum range, is
Work may be defined as
The length of a Second's pendulum, is
A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal linem apart. If central dip ism, the minimum tension in the cable, will be