Science, asked by manish123097, 6 months ago

what is force???
explain briefly
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Answers

Answered by Anonymous
14

Answer:

A force is a push or a pull on an object.

Answered by OoINTROVERToO
0

" \ \ \ \ \ \huge \mathfrak{ \pmb{ \colorbox{lavender}{ \: \: \: \: \: \: \red F \: \blue O \: \green R \: \purple C \: \orange E \: \ \ \ \ \: }}}\ \ \ \   "

  • Force is push or pull acting on a body which tends to change its state of rest or of motion. It is denoted by "F". It has a magnitude and a direction.

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\large \red{\bold{Formula \ for \ Force \: : - } }

 \huge\underline{\boxed{\textrm{F = {\texttt{ma}}}}}

Here,

  • " m " = Mass of the body
  • " a " = Acceleration
  • " F " = Force

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Derivation of Force [ F = ma ] using Newton's law of motion.

 \begin{gathered}\small{\bold{Newton's\:Second\:Law \ states \ that \ :-}}\\ \tiny \: \tt \: The \: rate \: of change \: of \: momentum \: of \: an \: object \\ \tiny \tt depends \: upon \: the \: direction \: and \: magnitude \: of \: applied \: force.\end{gathered}

  •  \blue{\large{\bf{F \propto \cfrac{dp}{dt}}} }

  •  \blue{\large{ \ \bf{F \propto \cfrac{d(mv - mu)}{dt}}} }

  •  \blue{\large{ \ \bf{F = k.m \cfrac{d(v - u)}{dt}}} }

  •  \blue{\large{\ \bf{F = k.ma}} \quad \quad \: \: \: \tt{[If, k = 1]}}

 \blue{\large{\leadsto \underline{\boxed{\bf{ \pmb{F = ma}}}}}}

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Unit of Force :-

  • SI unit of force is Newton(N).
  • C.G.S (centimetre gram second) unit of force is Dyne.

Effects of force -

  • Force can change the direction of a moving object.
  • Force can change the shape and size of an object.
  • Force can change the speed of a moving object.
  • Force can change a body′s state of motion or rest.

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