Question

What is the force of an object that has a mass of 6kg a final velocity of 15 m/s if it takes 4
seconds to achieve this velocity, when it started from rest?

Answer 1

Explicación:

m = 6kg.

vf= 15 m/s

t= 4 s.

vi= 0m/s

F = m•a

F = m(v÷t)

F = m [ ( vf - vi ) ÷ t ]

F = ( 6 kg ) [ ( 15 m/s - 0 m/s ) ÷ 4s ]

F = ( 6 kg ) ( 15 m/s ÷ 4s )

F = ( 6 kg ) ( 3.75m/s^2 )

F = 22.5 N (Newtons)