Question

write laws of motion along with two examples. of each​

Answer 1

Answer:

According to the newton's third law of motion, whenever one body exerts a force on another body, the second body exerts an equal and opposite force on the first body. In other words, to every action, there is an equal and opposite reaction.

Two examples to illustrate this law-When a man jumps out from a boat,the boat moves backwards.This is due to the fact that to step out of the boat, the man presses the boat with his foot in the backward direction.The push of the man on the boat is not fixed and is floating, it moves backwards due to the action force exerted by the man.

Explanation:

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Answer 2

Answer:

Newton's discovered the laws of motion irstlaw of motion is v = u + at. it means if object is moving in the initial velocity (v ) and reached the final velocity (u) has travelled a distance (s) and taken time (t) then,

initial velocity = v

final velocity = u

acceleration (formula ) = change in velocity / time taken

a = v-u/t

at = v-u w have to reorder it

then it become v = u + at

this is the first law of motion

now this is second law of motion which is wrin as

$s = ut \: + \frac{1}{?2} {at}^{2}$

here we should use average velocity not acceleration

average velocity = sum of quantities / no. of quantities

here we taking the formula of average

which is the written as distance / time taken

should substitute this

S/t = (U+V ) / 2

S = (u+ v)t / 2

S= [U+ ( u+ at ) ] t / 2

s= 2 ut + at Square/ 2

we should cancel by tables

now we should also reorder it

s= ut + 1/ 2 at Square

now third equation of motion

$v {}^{2} - u {}^{2} = 2as$

S/ t = v + U / 2

A= V-U / t

t= V-u /t

S= (V- U ) t / 2

S=( v+ U ) / 2 = ( V-U ) / a

S= V Square - u Square / 2a

V Square - U Square = 2as