Question

find the magnitude of the net force on a 20 kg mass if it accelerates uniformly from a 2.5 M per second to 5.8 M per second in 3 second

Answer 1

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Answer 2

Answer:

F = 22 N

Explanation:

It is given that,

Mass of the object, m = 20 kg

Initial speed of the object, u = 2.5 m/s

Final speed of the object, v = 5.8 m/s

Time taken, t = 3 s

Let F is the net force acting on the object. It can be calculated as :

$F=m\times a$

$F=\dfrac{m(v-u)}{t}$

$F=\dfrac{20\times (5.8-2.5)}{3}$

F = 22 N

So, the magnitude of the net force on the object is 22 N. hence, this is the required solution.