A book is lying on the table. What is the angle between the action of the book on the table and the reaction of the table on the book ............ $^o$
$0$
$30$
$45$
$180$
Find wrong statement
Explain main type of force with suitable example.
A block of mass $M$ is pulled along a horizontal frictionless surface by a rope of mass $M / 2$. If a force $2 Mg$ is applied at one end of the rope, the force which the rope exerts on the block is -
A rope of length $L$ is pulled by a constant force $F$. What is the tension in the rope at a distance $x$ from the end where the force is applied