- v=u+at.
- s=ut+12×at2.
- 2as=v2−u2.
- Force: F=ma.
- v=u+gt.
- h=ut+12×gt2.

**Table of Contents**show

## What are the 3 formulas in physics?

The three equations are, v = u + at. v² = u² + 2as. s = ut + ½at²

## What is the most famous formula in physics?

The equation E = Mc2 is perhaps the most famous equation of twentieth- century physics. It is a statement that mass and energy are two forms of the same thing, and that one can be converted into the other (ibid., p. 493).

## Is physics easy or hard?

Students and researchers alike have long understood that physics is challenging. But only now have scientists managed to prove it. It turns out that one of the most common goals in physics—finding an equation that describes how a system changes over time—is defined as “hard” by computer theory.

## What are the 4 equations of motion?

The equations are as follows: v=u+at,s=(u+v2)t,v2=u2+2as,s=ut+12at2,s=vt−12at2.

## What is current formula?

Ohm’s law relates the current flowing through a conductor to the voltage V and resistance R; that is, V = IR. An alternative statement of Ohm’s law is I = V/R.

## What is 1st equation of motion?

The first equation of motion is v = u +at. Here, v is the final velocity, u is the initial velocity, a is the acceleration and t is the time.

## What is the SI unit of force?

The SI unit of force is the newton, symbol N. The base units relevant to force are: The metre, unit of length — symbol m. The kilogram, unit of mass — symbol kg.

## What is Newton’s law formula?

Newton’s second law, which states that the force F acting on a body is equal to the mass m of the body multiplied by the acceleration a of its centre of mass, F = ma, is the basic equation of motion in classical mechanics.

## What is the SI unit of momentum?

SI unit. kilogram meter per second (kg⋅m/s)

## What is the hardest physics formula?

Yet only one set of equations is considered so mathematically challenging that it’s been chosen as one of seven “Millennium Prize Problems” endowed by the Clay Mathematics Institute with a $1 million reward: the Navier-Stokes equations, which describe how fluids flow.

## What is the biggest formula?

What is the longest equation in the world? According to Sciencealert, the longest math equation contains around 200 terabytes of text. Called the Boolean Pythagorean Triples problem, it was first proposed by California-based mathematician Ronald Graham, back in the 1980s.

## What is the most powerful equation?

Einstein’s E=mc² is the world’s most famous equation. Simple as that. It is short, it is elegant, and it describes a phenomenon so crucial that everyone should know about it.

## What is the hardest subject?

The hardest degree subjects are Chemistry, Medicine, Architecture, Physics, Biomedical Science, Law, Neuroscience, Fine Arts, Electrical Engineering, Chemical Engineering, Economics, Education, Computer Science and Philosophy. Let’s dive right in, and look at why these subjects are the hardest degree subjects.

## How can I learn physics fast?

## Is physics harder than math?

Physics might be more challenging because of the theoretical concepts, the mathematical calculations, laboratory experiments and even the need to write lab reports.

## What are the formula of 3 laws of motion?

The formula of 3 laws of motion are ……. 1) Every object stays in the same position until an external force is applied on it. 2) F = ma. 3) An action has an equal and opposite reaction.

## What is V motion physics?

They are often referred to as the SUVAT equations, where “SUVAT” is an acronym from the variables: s = displacement, u = initial velocity, v = final velocity, a = acceleration, t = time.

## Is velocity a speed?

Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object’s movement. Put another way, speed is a scalar value, while velocity is a vector.

## What is Ohm’s law used for?

Ohm’s Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit. To students of electronics, Ohm’s Law (E = IR) is as fundamentally important as Einstein’s Relativity equation (E = mc²) is to physicists.

## What is Ohm’s law explain?

Ohm’s Law Explanation One of the most basic and important laws of electric circuits is Ohm’s law. Ohm’s law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperatures remain constant.

## Why is Ohm’s law important?

Ohm’s law is vitally important to describing electric circuits because it relates the voltage to the current, with the resistance value moderating the relationship between the two.

## What is 2nd equation of motion?

The second equation of motion gives the displacement of an object under constant acceleration: x = x 0 + v 0 t + 1 2 a t 2 .

## What is second equation?

The second equation of motion gives the position-time relation, i.e. s = ut + (1/2) at2. Here, v is the final velocity, u is the initial velocity, a is the acceleration and t is the time.

## What is final velocity physics?

Final velocity (v) of an object equals initial velocity (u) of that object plus acceleration (a) of the object times the elapsed time (t) from u to v.