Question

what would be the force applied on a body of mass 25kg if its velocity changes from 5m/s to 30m/s in 5 seconds​

Answer 1

Given

Mass of the Object = 25 kg

Initial Velocity (u) = 5m/s

Final Velocity (v) = 30m/s

Time (t) = 5 seconds

Acceleration (a) = (v - u) / t

= 30 – 5 / 5

= 25 / 5 = 5m/s²

Force = Mass × Acceleration

= 25 × 5

= 125 N

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Answer 2

Given :  Mass of the Object = 25 kg , Initial Velocity (u) = 5m/s , Final Velocity (v) = 30m/s  ,Time (t) = 5 seconds

To find : what would be the force applied

$\qquad\qquad\underline{\qquad\qquad\qquad\qquad\qquad\qquad}$

• ⇒ Acceleration (a) = (v - u) / t  
• ⇒ Acceleration (a)= 30 – 5 / 5
• ⇒ Acceleration (a) = 25 / 5
• ⇒ Acceleration (a) = 5m/s²

$\qquad\qquad\underline{\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}$

• ⇒ Force = Mass × Acceleration
• ⇒ Force = 25 × 5
• ⇒ Force = 125 N