In ideal machines__________________?

Related Mcqs:

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of__________________?

A. forces B. independence of forces C. dependence of forces D. balance of force E. resolution of forces...

If a number of forces act simultaneously on a particle, it is possible _____________________?

A. not a replace them by a single force B. to replace them by a single force C. to replace them by a single force through C.G. D. to replace them by a couple E. to replace them by a couple and a force...

A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?

A. remain horizontal B. slant up towards direction of pull C. slant down towards direction of pull D. unpredictable E. none of the above...

Which of the following is a vector quantity___________________?

A. energy B. mass C. momentum D. angle E. speed...

The ratio of limiting friction and normal reaction is known as _____________________?

A. coefficient of friction B. angle of friction C. angle of repose D. sliding friction E. friction resistance...