Formula for Force of friction with examples

To identify the dynamics of a particle or a system of particles we need to know the net force acting on it. In another article, I discussed equations for different types of Forces in Physics. Now it’s time to explain these in detail. In this article, I’m going to explore the Force of Friction – … Read more

Formula of Change in Momentum and Impulse

Momentum is a physical state of an object which is in motion. A moving car cannot be stopped immediately after applying the break. It stops after moving a little distance because of its momentum. Do you know that the position and momentum of a mechanical system can describe the entire dynamics of the system? Therefore, … Read more

How to get Weight from Mass?

Weight and Mass are not the same physical quantity. They have different units and dimensions also. However, we can relate to them. In this article, I’m going to explain how is weight different from Mass and how to get weight from the mass of an object. This article is basically for students of basic physics. … Read more

Contact forces – definition, examples & equations

Newton’s second law of motion tells that a sufficient amount of net force can move an object from one place to another. For example, If you push an object placed on the floor, it will go away. Similarly, if you pull it, it will come closer to you. In either case, you have to touch … Read more

Translational Motion – equations, definition, types, examples

A particle is said to be in motion if it changes its position with time. Now, this change in position of the particle may be happened in many ways. The particle may go straight, may move in circular path, may spin around an axis, may roll on the floor. Considering these different ways of changing … Read more

Equations for Force in Physics | definition formula unit

We have discussed Newton’s three laws of motion in other three articles. We get the definition of force from Newton’s first law of motion and the formula or the equation of force was derived from Newton’s second law of motion. Again, the third law gives an idea for the law of conservation of linear momentum. … Read more

Projectile Motion Equations in Physics

Equations for the linear motion and free fall are known to all. Using these equations one can find the position, velocity, acceleration and energy of a particle moving in a straight line with a constant velocity or constant acceleration. If we throw an object at an angle with respect to the ground, it will not … Read more

Work done by tension force – formula and derivation

In another article, we discussed the tension of a string or rope. We found that the tension of a string is a kind of force. Again, we know that a body can move due to the application of external force. So, the work done on a body depends on the force acting on it. Then, … Read more

How to find tension in a string? | Tension formula in physics

If you drop a ball from the roof of your house, the ball will fall under gravitational force. Now, attach the ball to an end of a string and fix the other end of the string somewhere on the roof. Then drop the ball from the roof again. This time the ball will be hanging … Read more

Derive Newton’s first law from second law – prove

We already have discussed Newton’s first law and second law in other articles. These two laws deal with the motion of any particle in classical limit. First law gives the cause of motion and the second law gives the measurement of the force required to apply to make a particle in motion. That means these … Read more