A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal________________?
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly________________?
The C.G. of a solid hemisphere lies on the central radius 3r_______________?
The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?
Which of the following is the example of lever of first order________________?
In actual machines______________?
In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?
In ideal machines________________?
The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of__________________?
A pair of smith’s tongs is an example of the lever of__________________?
