ROTATIONAL MOTION

How does doubling the speed of a particle affect its angular momentum, if its mass and path remain unchanged?

• It halves
• It doubles
• It remains the same
• It quadruples

How does doubling the mass of a particle affect its angular momentum, if its position and velocity remain unchanged?

• It halves
• It doubles
• It remains the same
• It quadruples

What is the angular momentum of a particle about a point that lies on its straight-line path?

• Maximum
• Constant but non-zero
• Zero
• Infinite

If a stationary object explodes into several fragments, what happens to the center of mass of the system?

• It moves with the fastest fragment
• It moves randomly
• It remains at rest
• It moves with the slowest fragment

Where is the center of mass of a uniform triangular lamina located?

• At a vertex
• At the midpoint of a side
• At the centroid
• Outside the triangle