1 Conservation of Linear Momentum

1. What must be present for an object to have momentum? <br />A) An internal impulse <br />B) Velocity <br />C) All are necessary <br />D) An external force <br />E) An internal force <br /> <br />2. What is conserved within any system? <br />A) Momentum <br />B) Velocity <br />C) Impulse <br />D) Mass <br />E) Speed <br /> <br />3. What does it mean to say that momentum is conserved? <br />A) There is an equal amount of change <br />B) There is no change for the individual components <br />C) None are correct <br />D) The change is negligible <br />E) There is no net change <br /> <br />4. Why do the cannon and cannonball cancel out each others' momenta? <br />A) They have equal and opposite masses <br />B) They have equal and opposite momenta <br />C) They have the same mass <br />D) They have equal and opposite velocities <br />E) They have the same velocity <br /> <br />5. What is momentum? <br />A) Velocity times weight <br />B) Mass at rest <br />C) Force times velocity <br />D) Mass times velocity <br />E) Force times mass