THEORY QUESTIONS AND SOLUTIONS
ALREADY PASSED
◉ Physics is a branch of science studying the interactions of energy
and matter. Answer: True
◉ The variable that the experimenter controls in an experiment is
called the _______ variable. Answer: Independant
◉ How many centimeters are in a meter. Answer: 100
◉ How many grams are in a kilogram. Answer: 1000
◉ The standard unit of mass in physics is.... Answer: kilograms
◉ The standard of length in physics is.... Answer: meter
◉ A scientific model, as defined in class for constant velocity and
accelerated motion, has how many ways to represent a concept in
addition to using equations. Answer: 3
, ◉ Distance is defined as. Answer: The separation of two points
◉ Position is defined as. Answer: An object's location according to
some frame of reference
◉ Frame of reference is defined as. Answer: A system of points the
observer considers stationary
◉ Displacement is defined as. Answer: An objects change in position
◉ What are the vector quantities. Answer: acceleration, velocity,
displacement
◉ what are the scalar quantities. Answer: Distance time and speed
◉ If an object is travelling at a constant velocity, during each one
second time interval, the distance traveled during a second will be.
Answer: constant
◉ If an object is travelling at a constant acceleration, during each on
second time interval, the velocity of the object will be. Answer:
changing by the same amount