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Which of the following statements is wrong?

a)

KE of a body is independent of the direction of motion

b)

In an elastic collision of two bodies ,the momentum and energy of each body is conserved

c)

If two protons are brought towards each other the PE of the system decreases.

d)

A body cannot have energy without momentum.



Question ID - 52072 | SaraNextGen Top Answer

Which of the following statements is wrong?

a)

KE of a body is independent of the direction of motion

b)

In an elastic collision of two bodies ,the momentum and energy of each body is conserved

c)

If two protons are brought towards each other the PE of the system decreases.

d)

A body cannot have energy without momentum.

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

(c)

If momentum is Zero ie, if p=0,then kinetic energy

But potential energy cannot be zero, thus a body can have energy without momentum.

127 votes


127