Work, Energy, Power And Collision Test

Result

Work, Energy, Power And Collision Test - 2

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Question 1
1 / -0

Consider the following two statements

1. Linear momentum of a system of particles is zero

2. Kinetic energy of a system of particles is zero

Then

A
1 implies 2 and 2 implies 1

B
1 does not imply 2 and 2 does not imply 1

C
1 implies 2 but 2 does not imply 1

D
1 does not imply 2 but 2 implies 1

Solution

Momentum is a vector quantity whereas kinetic energy is a scalar quantity. If the kinetic energy of a system is zero then linear momentum definitely will be zero but if the momentum of a system is zero then kinetic energy may or may not be zero.