Question

Q3. Given F= ma, find a, when F = 49 and m=5.

Answer 1

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• FORCE = MASS × ACCELERATION

• ACCELERATION = FORCE / MASS

.Hence we find a as -:

⇒ a = F/m

⇒ 49/5

⇒ a = 9.8

Answer= 9.8 m/s²

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Answer 2

Given-

$F= ma$

F = 49

m=5

To find -

Value of a

Solution-

Newtons second law motion states that, the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.

$F= ma$         (Is a second law motion)

F is force

m is mass

a is acceleration

By putting value in the given equation

$49 = 5 \times a$

$a= \frac{49}{5}$

$a=9.8$

The value of a is 9.8