Work Power And Energy Formulas Pdf

X k is the spring constant and x is the amount of compression or streching kinetic energy.

Work power and energy formulas pdf.

H m is the mass g is the gravitational acceleration and h is the distance potential energy of the spring. Ek 1 2mv m is the mass v is the velocity work power energy exams and solutions. In older works power is sometimes called activity. Power is a scalar quantity.

Power is the rate at which work is done or energy is transformed. Power is defined as work done per unit time. In this article we will learn all about the concept of work power and energy. This signifies when the force and displacement are in same.

Dimensions of power linear momentum of an isolated system is always conserved in a collision. Physics notes class 11 chapter 6 work energy and power work when a force acts on an object and the object actually moves in the direction of force then the work is said to be done by the force. Work formula example of work types of energy power formula questions. Work power and energy are among the most important concepts of mechanics.

Before moving to physics formula pdf sheet of chapter work energy power complete the theory form your text book than read the physics formula sheet of entrancei for effective revision do practice the questions from entrancei physics sections of chapter work energy power. The unit of power is watt. Work done by the force is equal to the product of the force and the displacement of the object in the direction of force. Cbse class 11 physics work energy and power notes.

A collision in which the total kinetic energy of the system is conserved is called elastic. It is a scalar quantity. In the international system of units the unit of power is the watt equal to one joule per second. In physics power is the amount of energy transferred or converted per unit time.

Here θ is the angle between and. Free pdf download of physics class 11 chapter 6 work energy and power formula prepared by subject expert teacher at vedantu. Work done is generally referred in relation to the force applied while energy is used in reference to other factors such as heat. Work work done w is defined as the dot product of force f and displacement s.

A moving car walking up stairs lifting heavy objects an aeroplane flying etc are among the most common examples that give us insight into the concept of work power and energy. The output power of a motor is the product of the torque that the motor generates and the angular velocity of its output shaft.