Concept explainers
Answer the following question given below and write the correct answer.
1. Acceleration is a rate of change of velocity with .
a. distance
b. time
c. space
d. weight
2. Velocity is measured in .
a. m/s
b. km/hr
c. ft/min
d. all of the given are correct
3. If the starting point and endpoint of motion are located in the same position, the displacement is .
a. zero
b. not zero
c. insufficient data
4. If the acceleration is constant, then .
a. the change in velocity changes
b. the change in velocity is constant
c. the change in velocity is negative
d. the change in velocity is zero
5. If at a certain instant, the speed of an object is zero, then .
a. its acceleration is negative
b. its acceleration is positive
c. its acceleration is zero
d. insufficient data
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