Question

F=ma A force of 20 N was exterted on an object. It's acceleration is 10 m/s². What is the objects mass?

Answer 1

GiveN :

• Force (F) = 20 N
• Acceleration (a) = 10 m/s²

To FinD :

• Mass of the Object

SolutioN :

Use formula for Force :

$\boxed{\rm{F \: = \: ma}} \\ \\ \implies \sf{m \: = \: \dfrac{F}{a}} \\ \\ \implies \sf{m \: = \: \dfrac{20}{10}} \\ \\ \implies \sf{m \: = \: 2} \\ \\ \underline{\sf{\therefore \: Mass \: of \: the \: object \: is \: 2 \: kg}}$

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Additional Information :

• Mass is a scalar quantity.

• Mass is denoted by “m”.

• Scalar quantity means, mass have only magnitude ,but no direction.

• Mass can't be zero or negative

Answer 2

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ANSWER :

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The mass of the object, m = ?

The force of the object, F = 20 N

The Acceleration , a = 10 m/s^2

We know that ,

$force \: f \: = ma$

From this ,,,

Force , f = m × 10

20 = 10m

m = 20/10

m = 2 kg

The mass, m is 2 kg .

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