A particle is moving in a straight line with a constant velocity. What is its angular momentum about a point that is not on the line of motion?

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Q: A particle is moving in a straight line with a constant velocity. What is its angular momentum about a point that is not on the line of motion?

Solution: The angular momentum is constant because the particle's velocity and distance from the point are constant.

Steps: 6

Step 1: Understand that angular momentum depends on the velocity of the particle and its distance from the point of interest.
Step 2: Recognize that the particle is moving in a straight line with a constant velocity.
Step 3: Identify the point that is not on the line of motion of the particle.
Step 4: Calculate the distance from the point to the line of motion of the particle. This distance remains constant.
Step 5: Since both the velocity of the particle and the distance from the point are constant, the angular momentum will also remain constant.
Step 6: Conclude that the angular momentum about the point is constant.