What are fundamental units give example?
For example, in the SI system the fundamental units are the metre, kilogram, and second. ‘SI (Système Internationale d’ Unites) uses seven different fundamental units, the meter, kilogram, second, ampere, kelvin, candela, and mole. ‘
What is Watt formula?
The formula for calculating wattage is: W (joules per second) = V (joules per coulomb) x A (coulombs per second) where W is watts, V is volts, and A is amperes of current. In practical terms, wattage is the power produced or used per second. For example, a 60-watt light bulb uses 60 joules per second.
What is work done and its formula?
Now, the total work done by this force is equal to the product of the magnitude of applied force and the distance traveled by the body. Scientifically Work done formula will be given as, W = F * d: Here, force F reacts at an angle θ to the displacement d.
What is work derive its formula?
The derivation of the work–energy principle begins with Newton’s second law of motion and the resultant force on a particle. The time integral of this scalar equation yields work from the instantaneous power, and kinetic energy from the scalar product of velocity and acceleration.
What is unit of work in teaching?
According to NESA’s advice on units , a unit of work is a plan of the intended teaching and learning for a particular class for a particular period of time. A unit of work provides learning experiences for students.
What is CGS unit work?
The CGS unit of work is Erg where 1 erg = 1 gm cm square/ second square. The word erg is derived from the Greek word ergon (ἔργον) which means ‘work’ or ‘task’. One erg is also defined as the work done by a force of 1 dyne on a one-centimeter distance.
What is SI unit and CGS unit?
The S.I. unit of mass is kilogram and of volume is cubic metre. Therefore the S.I unit of density is kg/ m 3 m^3 m3 The C.G.S. the unit of mass is gram and of volume is cubic centimetre.
What is difference between unit and SI unit?
The SI unit of time is second. There are seven base units is SI. They are meter (length), kilogram (mass), second (time), Ampere (current), Kelvin (temperature), candela (luminous intensity), mole (amount of substance). For example, Force – The SI unit is Newton, Pressure – SI unit is Pascal etc.
What is difference between SI unit and MKS unit?
The SI system of units is build upon MKS system of units. The MKS system of units express any measurement of physical quantities using fundamental units of Length,Mass,Time which are metre ,kilogram and second respectively. The SI system of units is Internationally accepted system of units.