conceptual exercises ARISTOTELIAN PHYSICS 1. You roll a ball. It soon rolls to a stop. How would Aristo- tle interpret this? How would Galileo interpret it? 12. THE LAW OF INERTIA 2. Most meteoroids-pebble-sized to boulder-sized rocks in outer space-have been moving for billions of years. What, if anything, keeps them moving? 3. If you ride on a smooth, fast train at an unchanging speed and throw a baseball upward inside the train, will the baseball then get left behind and come down toward the rear of the car? Explain. 4. If a ball is moving at 20 m/s and no forces ever act on it, what will its speed be after 5 s? After 5 y? 5. Do you suppose that the photo of Earth shown in Figure 1.7 was taken from a low-orbit satellite (see Figure 3.7)? 6. In order to experimentally verify the law of inertia, would you need to be able to measure time? Weight? Distance? 7. When a moving bus comes rapidly to a stop, why do the riders who are standing lurch toward the front of the bus? 13. R SPEED AND VELOCITY 8. Can you drive your car around the block at a constant velocity? 9. Mary passes Mike from behind while bicycling. As she passes him, do the two have the same velocity? The same speed? 10 Mary is bicvcling straight north at 15 km/hr, and Mike is 14. Ir in ha 15. Fi BIOL 2010-10 e Type here to search

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conceptual exercises
ARISTOTELIAN PHYSICS
1. You roll a ball. It soon rolls to a stop. How would Aristo-
tle interpret this? How would Galileo interpret it?
12.
THE LAW OF INERTIA
2. Most meteoroids-pebble-sized to boulder-sized rocks
in outer space-have been moving for billions of years.
What, if anything, keeps them moving?
3. If you ride on a smooth, fast train at an unchanging
speed and throw a baseball upward inside the train, will
the baseball then get left behind and come down toward
the rear of the car? Explain.
4. If a ball is moving at 20 m/s and no forces ever act on it,
what will its speed be after 5 s? After 5 y?
5. Do you suppose that the photo of Earth shown in Figure
1.7 was taken from a low-orbit satellite (see Figure 3.7)?
6. In order to experimentally verify the law of inertia, would
you need to be able to measure time? Weight? Distance?
7. When a moving bus comes rapidly to a stop, why do the
riders who are standing lurch toward the front of the bus?
13. R
SPEED AND VELOCITY
8. Can you drive your car around the block at a constant
velocity?
9. Mary passes Mike from behind while bicycling. As she
passes him, do the two have the same velocity? The same
speed?
10 Mary is bicvcling straight north at 15 km/hr, and Mike is
14. Ir
in
ha
15. Fi
BIOL 2010-10
e
Type here to search
Transcribed Image Text:conceptual exercises ARISTOTELIAN PHYSICS 1. You roll a ball. It soon rolls to a stop. How would Aristo- tle interpret this? How would Galileo interpret it? 12. THE LAW OF INERTIA 2. Most meteoroids-pebble-sized to boulder-sized rocks in outer space-have been moving for billions of years. What, if anything, keeps them moving? 3. If you ride on a smooth, fast train at an unchanging speed and throw a baseball upward inside the train, will the baseball then get left behind and come down toward the rear of the car? Explain. 4. If a ball is moving at 20 m/s and no forces ever act on it, what will its speed be after 5 s? After 5 y? 5. Do you suppose that the photo of Earth shown in Figure 1.7 was taken from a low-orbit satellite (see Figure 3.7)? 6. In order to experimentally verify the law of inertia, would you need to be able to measure time? Weight? Distance? 7. When a moving bus comes rapidly to a stop, why do the riders who are standing lurch toward the front of the bus? 13. R SPEED AND VELOCITY 8. Can you drive your car around the block at a constant velocity? 9. Mary passes Mike from behind while bicycling. As she passes him, do the two have the same velocity? The same speed? 10 Mary is bicvcling straight north at 15 km/hr, and Mike is 14. Ir in ha 15. Fi BIOL 2010-10 e Type here to search
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