Question

Define the following term?

Force
Motion
Velocity
Accleration
Centripetal force
kinetic energy

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Answer 1

$\huge\text{\underline{Answer}}$

$\sf{\underline{Force }}$

A force is an external agent or cause which try or try to change the position of a body either in motion or rest is called force.

It's SI unit is Newton.

The magnitude of force is given by :-

$\boxed{\sf{F = m × a }}$

Where F is force

m is mass of the body

a is acleration produced.

Motion :- The change of position of an object with respect to time or it's surrounding is called motion.

It is of various types :-

1) Circular motion

2) Rectilinear motion

3) To and fro motion

Velocity :- The rate of change of displacement is known as velocity.

The rate of change of distance in a specific direction is called velocity.

It's SI unit is m/s.

The velocity is given by :-

$\boxed{\sf{V = u + at}}$

where u is initial velocity.

Acceleration:- The rate of change of velocity is called acceleration.

It's SI unit is m/s^2.

it is given by formula :-

$\boxed{\sf{a = \frac{v - u}{t} }}$

Centripetal force :- The force which acts towards the centre of a body when it is moving on circular path is called centripetal force.

It is given by above formula :-

$\boxed{\sf{F = \frac{m {v}^{2} }{r} }}$

Kinetic energy :- The energy posses by a body due to motion of the body is called kinetic energy.

It's SI unit is joule.

it is given by above formula :-

$\boxed{\sf{Ke = \frac{1}{2} m {v}^{2} }}$

Answer 2

Answer:

Explanation:

A forceis an external agent or cause which try or try to change the position of a body either in motion or rest is called force.

It'sSIunitisNewton.

The magnitude of force is given by :-

Where Fis force

mis mass of the body

ais acleration produced.

Motion:-The change of position of an object with respect to time or it's surrounding is called motion.

Itisofvarioustypes:-

1) Circular motion

2) Rectilinear motion

3) To and fro motion

Velocity:- The rate of change of displacement is known as velocity.

The rate of change of distance in a specific direction is called velocity.

It'sSIunitism/s.

The velocity is given by :-

where uis initial velocity.

Acceleration:- The rate of change of velocity is called acceleration.

It'sSIunitism/s^2.

it is given by formula :-

Centripetalforce:-The force which acts towards the centre of a body when it is moving on circular path is called centripetal force.

It is given by above formula :-

Kineticenergy:-The energy posses by a body due to motion of the body is called kinetic energy.

It'sSIunitisjoule.

it is given by above formula :-

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