Principle of Impulse and Momentum
Physics

Principle of Impulse and Momentum

By Newton’s second law of motion, the force acting on a body = m a, where m = mass of the body and a =…
Define Impulsive Force and Impulse of a Force
Physics

Define Impulsive Force and Impulse of a Force

(i) Impulsive Force An impulsive force is a very great force acting for a very short time on a body, so that the change in…
Describe Momentum of Body
Physics

Describe Momentum of Body

Momentum of Body is observed experimentally that the force required to stop a moving object depends on two factors: (i) mass of the body and (ii)…
Motion of Projectile Projected at an Angle with Horizontal
Physics

Motion of Projectile Projected at an Angle with Horizontal

Consider a body projected from a point O on the surface of the Earth with an initial velocity u at an angle 8 with the…
Explain Motion of Projectile thrown Horizontally
Physics

Explain Motion of Projectile thrown Horizontally

Let consider an object thrown horizontally with a velocity u from a point A. which is at a height h from the horizontal plane OX…
What is Projectile Motion
Physics

What is Projectile Motion

A body thrown with some initial velocity and then allowed to move under the action of gravity alone, is known as a projectile. If we…
Explain Disadvantages of Friction
Physics

Explain Disadvantages of Friction

Though friction has many disadvantages it is considered as a necessary evil. What causes it? We cannot do anything without the force of friction. If…
Describe Increasing and Decreasing Friction
Physics

Describe Increasing and Decreasing Friction

Friction is inextricably related to our daily lives. Friction can be increased in necessity; again friction can be decreased too in necessity. How friction can…
Explain Effects of Friction on Motion
Physics

Explain Effects of Friction on Motion

Friction has an enormous influence on the motion of an object. Friction is a kind of resistive force which slows down the motion of a…
Explain Types of Friction
Physics

Explain Types of Friction

Generally there are four types of friction. Static friction Sliding friction Rolling friction Fluid friction Static: Static friction is the friction between two surfaces that…
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