Science, asked by vasudevvk450, 8 months ago

(a) State Newton’s second law of motion. Derive, its mathematical expression.
(b) A constant force acts on an object of mass 5 KG for duration of 2 second, it increases the velocity of the 3m/s to 7m/s. Find the force acted on the object.​

Answers

Answered by srushtisurywanshi202
0

Answer:

a) rate of change of momentum is proportional to the applied force and the change of momentum is occurs in the direction of force mass of lift 20000 kg when the tension in the supporting cable is 28000n then it's acceleration is 4m/s

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