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For a system to follow the law of conservation of linear momentum during a collision , the condition is

Total external force acting on the system is zero.

Total external force acting on the system finite and time of collision is negligible.

Total internal force acting on the system is zero.

a)

(1)only

b)

(2)only

c)

(3)only

d)

(1)and (2)



Question ID - 51056 | SaraNextGen Top Answer

For a system to follow the law of conservation of linear momentum during a collision , the condition is

Total external force acting on the system is zero.

Total external force acting on the system finite and time of collision is negligible.

Total internal force acting on the system is zero.

a)

(1)only

b)

(2)only

c)

(3)only

d)

(1)and (2)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

From Newton’s second law,

If F=0,then

Thus, if total external force acting on the system is zero, then linear momentum of the system remains conserved.

127 votes


127