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Physics Formulas, concepts, and problems help us in applying physics in our daily life to understand the working of the world around us. The advancement of physics concepts helps in the development of new technologies around us using basic physics formulas. For instance, development in the field of thermodynamics led to the advancement of industrialization.
These formulas of physics develop the basics for CBSE Class 10 and CBSE Class 12 Board Examinations. Physics Questions can be solved through the following approach:
- Determining what is asked in the question
- Using the correct physics formula
- Fill in the required values and arrive at a proper result
In order to arrive at the solutions to these questions, one needs to understand the concepts, physics formulas as well as SI units that are used to measure various quantities. Students can refer to the following links to go through the various Physics formulas and solve examples of the same.
Physics Formulas
The various physics formulas used to solve the problems are given below. Students can read the concept, study the derivation of the formula, and look at some solved examples to enhance their understanding of the same:
Physics Formulas: List of some Basic Formulas
Some basic physics formulas are as discussed below –
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Average Speed Formula
Average speed refers to the average of total speed of a moving body for the overall distance covered.
\(S = {d\over t}\)
where S refers to the average speed
d is the total distance traveled
and t is the total time taken.
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Acceleration Formula
Acceleration refers to the rate of change of velocity to the change in time. Acceleration can be denoted by the symbol ‘a’. The physics formula for acceleration is –
\(a = {v-u \over t}\)
where a refers to the acceleration
v is the final velocity
u is the initial velocity
t refers to the time taken
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Density Formula
The physics formula of the density of a material refers to its denseness in a particular given area.
\(\rho = {m \over V}\)
where refers to the density
m is the mass of the body
V is the volume of the body.
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Newton’s Second Law
According to Newton's Second Law of Motion, the force can be expressed as the product of the mass and acceleration of the body.
F = m x a
where F refers to the force
m is the mass of the body
a is the acceleration in the available velocity
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Power Formula
Energy can be understood as the capacity to do work. Power can be understood as the amount of energy spent to do work in a unit of time. The physics formula for power can be denoted as –
\(P = {W \over t}\)
where P is the power
W is the work done
t refers to the time taken
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Pressure Formula
Pressure can be understood as the amount of force applied per unit area of an object.
\(P = {F \over A}\)
where P is the pressure
F refers to the applied force
A is the total area of the object.
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Weight Formula
Weight refers to the force that an object experiences due to gravity. The physics formula for weight is –
W = mg
where m is the weight of a body
m is the mass of the body
g refers to the acceleration due to gravity.
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Kinetic Energy formula
Kinetic Energy refers to the energy that is possessed by an object due to its state of motion.
\(E = {1 \over 2}mv^2\)
where E is the Kinetic Energy
m is the mass of the body
v refers to the velocity with which the object or body is traveling
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Frequency Formula
Frequency refers to the revolutions completed per second. Force physics formula is denoted as –
f = \( {V \over \lambda}\)
where f is the frequency of the wave
V is the wave speed or the velocity
\(\lambda\) is the wavelength
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Ohms Law Formula
According to Ohms Law, the current running through a conductor material is directly proportional to the potential difference between the 2 endpoints of a conductor.
V = I x R
where V is the voltage, measured in Volts
I is the electric current that flows through the conductor, measured in Amperes
R is the resistance of the material, measured in Ohms.
These physics formulas can be used to understand the concepts and prepare well for the board exams.
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