Question

A B C D E 1. Force per unit area is a) momentum, b) power, c) energy, d) pressure, e) impulse.

A B C D E 2. The law which deals with pressure applied to a confined fluid is a) Archimedes Principle, b) Pascal's Principle, c) Bernoulli's Principle, d) Newton's Second Law.

PART 2 – PROBLEMS, If your answer differs by a little bit in the last digit, remember that the answers here may have been rounded off

A B C D E 3. A force of 30 N pushes down on the movable piston of a closed

cylinder containing a gas. The piston's area is 0.5 m^2. What pressure does this produce in the gas? a) 15 Pa, b) 6 Pa, c) 0.0167 Pa, d) 60 Pa, e) none of the above.

A B C D E 4. The pressure of a gas contained in a cylinder with a movable piston is 300 Pa (300 N/m^2). The area of the piston is 0.1 m^2. What is the

magnitude of the force exerted on the piston by the gas? a) 30 N, b) 3000 N, c) 0.00033 N, d) 15 N, e) none of the above.

A B C D E 5. An average force of 200 N acts for a time interval of 0.05 s on a golf ball. What is the change in the golf ball's momentum (in kg-m/s)? a) 10, b) 100, c) 200, d) 4000, e) none of the above.

Answer 1