Types of Force

A body of mass $5 \mathrm{kg}$ is in equilibrium due to forces $F_1, F_2$ and $F_3$. $F_2$ and $F_3$ are perpendicular to each other. If $F_1$ is removed then find the acceleration of body. Given $F_2= 6 \mathrm{N}$ and $F_3=8 \mathrm{N}$.

Two men were pushing a heavy stone from the opposite directions. They applied forces of magnitude $500 \mathrm{N}$ and $300 \mathrm{N}$. What will be the resultant force acting on the stone?

Electric as well as gravitational affects can be thought to be caused by fields. Which of the following is true for an electrical or gravitational field?

Which of the following forces has the highest strength?

A force $\overrightarrow{F_1}$ of magnitude $4 \mathrm{N}$ acts on an object of mass $1 \mathrm{kg}$ at origin in a direction $30°$ above the positive $x$- axis. A second force $\overrightarrow{F_2}$ of magnitude $4 \mathrm{N}$ acts on the same object in the direction of the positive $y$- axis. The magnitude of the acceleration of the object is nearly

Which one of the following is not a contact force?

The system of forces acting on a bell crank lever is shown in figure. Determine the magnitude, direction and point of application.

A square $ABCD$ of $60 \mathrm{mm}$ side is subjected to force of $10 \mathrm{N},20 \mathrm{N},30 \mathrm{N}$ and $40 \mathrm{N}$ along the sides $AB,AC,BD$ and $AD$ respectively. Find magnitude. direction and position of the resultant force with respect to $A$.

Resultant of two mutually perpendicular forces is $13 \mathrm{N}$. If angle between them changes to $60°$, resultant becomes root of $229$. The maximum resultant of two forces is:

What is GUT?

What is Super force?

Give the relative strength of the four forces in nature

Explain the various forces in nature. What are their characteristics? Give their relative strengths.

Two bodies of different masses are made to fall from the same height. If both of them experience the same resistance, will the two bodies reach the earth simultaneously ?

Define nuclear force.

Define the resultant force of a body.

Resultant forces are also called as net forces of the body.

What are the four fundamental forces?

How does fundamental force classified on the basis of their work?

List some types of contact forces.