Now Playing: Final Exam Jeopardy
Topic: Final Exam
Regular Physics Final Exam Jeopardy Questions and Answers:
I Introductory Material
1. The SI unit for length or distance. ANS meter
2. Is km/s a base unit or a derived unit? ANS derived
3. The Equation for a straight line graph. ANS y = mx+b
4. Reading laboratory instruments at eye level avoid errors in measurement. This is called _____ error. ANS parallax
5. The variable that can be manipulated in an experiment is called the ___________ variable and is it graphed on the x or y axis? ANS: independent, x
II Vectors, Speed, Acceleration
1. A ball is thrown upward. At the top of its trajectory, what is its speed? ANS zero
2. A kayaker wants to travel due west in a stream that flows due south. In which direction should the kayaker paddle? ANS northwest
3. What is the horizontal acceleration of a cannon ball shot in a vacuum? ANS zero
4. A ball is thrown upward. At the top of its trajectory, what is its acceleration? ANS 9.8 m/s2
5. As the angle of an inclined plane decreases, the parallel component of the weight force increases or decreases? And the perpendicular component increases or decreases? ANS increase, decrease
III Newton’s Laws
1. If Jake pulls to the left at 10 N and Rick pulls to the right at 5 N, what is the net force? ANS 10N to the left
2. Which of Newton’s Laws? Rocket pushes on exhaust gases, exhaust gases push on rocket. ANS 3rd
3. Which of Newton’s Laws? Accelerating as you coast downhill. ANS 2nd
4. An object is in equilibrium if … ANS no net force, forces are balanced, it is not accelerating
5. What is the speed and acceleration when you have reached terminal velocity? ANS constant and zero
IV Momentum & Gravitation
1. As the distance between two bodies decreases, does the force of attraction increase or decrease? ANS decrease
2. To calculate linear momentum, multiply what by what? ANS mv
3. To calculate impulse, multiply what by what? ANS F)t
4. What must remain constant for a system to be closed? ANS cannot gain or lose mass
5. Explain why the astronauts experience a feeling of weighlessness. ANS: because they are free falling to the Earth
V Work, Energy & Fluids
1. Is work done on a football by carrying it down the field at constant velocity? ANS No
2. The total of the Kinetic Energy and Potential Energy is called what? ANS: Mechanical Energy
3. What is the temperature at which water is its densest? ANS: 4 degrees Celcius
4. State the Law of Conservation of Energy. ANS: The total amount of energy in an isolated, closed system remains constant.
5. What is the name of the Principle in which “any change on a confined fluid is transmitted unchanged throughout the fluid”? ANS: Pascal’s Principle
VI Waves, Light, Sound
1. Is frequency directly or inversely related to period? ANS inversely
2. Which characteristic of light has a defined value? ANS: c, the speed of light in a vacuum
3. Waves that can pass through a polarizing filter are perpendicular or parallel to the polarizing axis? ANS: parallel
4. How does the focal length of a concave mirror relate to its radius of curvature? ANS F = ½ C
