Physics: A net force of 18 N is exerted on a book which accelerates at 8m/s² determine the mass of book

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A net force of 18 N is exerted on a book which accelerates

Ответ:

kathleensumter4913

01.02.2022

Physics

2.25 kg

Explanation:

Force can be found using the following formula.

f=m*a

Rearrange the formula for , mass, by dividing both sides of the formula by a.

$\frac{f}{a}=\frac{m*a}{a}$

$\frac{f}{a}=m$

The mass can be found by dividing the force by the acceleration. The force is 18 Newtons. 1 Newton is equal to 1 kg m/s², so 18 Newtons is equal to 18 kg m/s². The acceleration is 8 m/s².

$f= 18 kgm/s^2\\a=8 m/s^2$

Substitute the values into the formula.

$m=\frac{f}{a}$

$m=\frac{18 kg m/s^2}{8m/s^2 }$

Divide. Note that the kg m/s² in the numerator and denominator will cancel each other out.

$m=\frac{18kg}{8}$

m= 2.25kg

The mass of the book is 2.25 kilograms.

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A net force of 18 N is exerted on a book which accelerates at 8m/s² determine the mass of book

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