The Mechanical advantage of a lifting machine is the ratio of
Answer B
The maximum frictional force which comes into play when a body just begins to slide over the surface of the other body is know as
Answer C
If the masses of both the bodies as shown in the figure below are reduced by 50%, then the tension in the string will be .
The unit for Angular acceleration is
C. m/s²
D. rad/s²
Answer D
The friction experienced by a body when in motion is known as .........
