physics notecard

Chapter 1-3:
1. B. a ball rolling down a hill
2. A. 0
3. C. Natural and violent
4. B. smoke rising up into the air
5. B. Inertia
6. C. increases
7. D. Report the findings
8. C. Physics is about the nature
9. B. Nikola Tesla

Chapter 4-5:
1. B. 0 km/hr
2. D. 10m/s^2
3. B. 20 m/s
4. A. 1s
5. C. 50m/s
6. D. 2.5m/s^2
7. B. the same location
8. C. 141.1m
9. A. 2km/hr
10. A. the first kick

Chapter 6:
1. F. if an object has zero..
2. F. Pressure and force
3. T. In the absence of
4. T. If the net force
5. T. acceleration is inversely
6. A. 1N
7. C. there must be at least one
8. B. the terminal speed decreases
9. B. no
10. D. 0 N
11. A. The weight is slightly greater
12. B. Weight is lower than air resistance
13. D. g/2
14. A. F=ma
15. D. 0

Chapter 7:
1. F. Pushes and pulls
2. F. Reaction forces occur slightly
3. T. Action and reaction forces are always
4. T. Every force is part of a mutual
5. F. It is possible to touch without
6. B. The rope pulling on you
7. B. downward
8. C. the mass of the object is different
9. D. Lift
10. A. The exhaust pushing the rocket
11. B. the ground pushing against your feet
12. C. A football being kicked by two
13. A. a force is a vector quantity
14. C. the act of the horse pulling against
15. A. they are inversely proportional

Chapter 8:
1. F. Impulse =momentum
2. T. Momentum is conserved only
3. T. A whale shark swimming at
4. T. Momentum is the product
5. F. Impulse is the product
6. A. 26400kg(m/s)
7. C. 500kg(m/s)
8. A. 500Ns
9. B. 500N
10. C. 8m/s
11. C. it has neither large mass
12. A. energy
13. B. the impulse required…is greater
14. D. elastic and inelastic
15. A. the Pelton wheel

Chapter 9:
1. F. Momentum and Kinetic
2. T. Total energy of a system
3. F. It is possible to get more energy
4. F. There are five types of levers
5. T. a pulley is a simple machine
6. B. Energy
7. C. kinetic energy
8. A. work/time
9. C. twice as much work
10. A. 5000J
11. C. 10%
12. A. the cat
13. B. 125J
14. A. Car A
15. C. 625J