Q.

What is the direction of momentum?


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a

Along in the direction of velocity

b

Opposite in the direction of velocity

c

Both 1 and 2

d

None of these 

answer is A.

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Detailed Solution

The direction of momentum is along the direction of the velocity of the moving object or body.
A body's momentum is calculated by multiplying its mass by its velocity. Being a vector quantity, momentum has both a magnitude and a direction.Now think about The linear momentum of two automobiles travelling at the same speed and with the same mass is equal. The car's velocity vectors are 180 degrees backwards, indicating that each one's linear momentum is moving in the opposite direction. For example, if the object has a mass of m and it is moving with velocity v. The mathematical expression of momentum is given below.
momentum=mass × velocity P=mv Where,
P=momentum, m=mass, v=velocity  
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What is the direction of momentum?