AND ANSWERS 2026
◉ When the period of a pendulum is less than 1 second, the
frequency is always greater than 1 hertz. Answer: True
◉ How many grams is one kilogram? Answer: 1,000
◉ What is true for objects moving with constant speed? Answer: the
instantaneous speed and average speed are always equal
◉ What is the highest speed that can be observed in nature?
Answer: the speed of light
◉ A physical quantity that has a direction associated with it is called
what? Answer: vector
◉ As a car is traveling down a road, it is possible for its speed to be
changing while its velocity is constant Answer: False
◉ What statement is false concerning "when two velocities are
added, the resultant velocity Answer: Cannot have zero magnitude
, ◉ When an objects velocity is changing, we say that the object is
Answer: accelerating
◉ a free falling body experiences Answer: constant acceleration
◉ the acceleration of a slow-moving object can be greater than the
acceleration of a fast-moving object. Answer: True
◉ when something moves in a circle with constant speed, Answer:
its acceleration is perpendicular to its velocity
◉ what is different about the graph of distance versus time for a
fast-moving object compared to that of a slow-moving object?
Answer: larger slope
◉ a rock dropped from the top of a tall building travels the same
distance during each 1-second interval that it falls Answer: false
◉ if the graph of a car's velocity versus time curves upward, we can
conclude its acceleration is Answer: increasing
◉ graphs of distance versus time and velocity versus time are useful
for analyzing Answer: the motion of a falling body, the performance
of a car, and laboratory measurements of an accelerating object