5. If an object has an acceleration of 0 m/s2, then one can be sure that the object is not . a. moving

b. changing position

c. changing velocity

6. If car A passes car B, then car A must be .

a. accelerating.

b. accelerating at a greater rate than car B.

c. moving faster than car B and accelerating more than car B.

d. moving faster than car B, but not necessarily accelerating.

7. Which one of the following is NOT consistent with a car which is accelerating?

a. A car is moving with an increasing speed.

b. A car is moving with a decreasing speed.

c. A car is moving at a high speed.

d. A car is changing direction.

8. A fullback is running down the football field in a straight line. He starts at the 0-yard line at 0 seconds. At 1 second, he is on the 10-yard line; at 2 seconds, he is on the 20-yard line; at 3 seconds, he is on the 30-yard line; and at 4 seconds, he is on the 40-yard line. This is evidence that

a. he is accelerating

b. he is covering a greater distance in each consecutive second.

c. he is moving with a constant speed (on average).