# What are all the equations of motion class 9?

## What are all the equations of motion class 9?

The following are the three equations of motion:

• First Equation of Motion : v = u + a t.
• Second Equation of Motion : s = u t + 1 2 a t 2.
• Third Equation of Motion : v 2 = u 2 + 2 a s.

What is equation of motion class 9 definition?

Equations of motion, in physics, are defined as equations that describe the behaviour of a physical system in terms of its motion as a function of time. There are three equations of motion that can be used to derive components such as displacement(s), velocity (initial and final), time(t) and acceleration(a).

What is the 2nd equation of motion class 9?

s = ut + ½ at². It is the expression gives the distance covered by the object moving with uniform acceleration.

### What are the 3 equations of motion class 9?

The three equations are,

• v = u + at.
• v² = u² + 2as.
• s = ut + ½at²

What is the formula for motion?

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 full form of physics?

The full form of PHYSICS is. P=PHYSICAL. H=HEALTH. Y=YOUTHS. S=SCIENCE.

#### What is the R in physics?

universal gas constant, also called molar gas constant or gas constant, (symbol R), fundamental physical constant arising in the formulation of the ideal gas law.

What are the 4 equations?

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.

What is uniform acceleration class9?

Uniform acceleration: When an object is travelling in a straight line with an increase in velocity at equal intervals of time, then the object is said to be in uniform acceleration.

## What is the first 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. The velocity-time relation gives the first equation of motion and can be used to find acceleration.