Physical Science: Physics Final Exam Review

The motion of an object looks different to observers in different ____________________________.

• frames of reference

• types of energy

• amounts of mass

• kinds of matter

The SI unit for measuring ____________________ is the meter.

• distance

• time

• mass

• temperature

The direction and length of a straight line from the starting point to the ending point of an object’s motion is ____________________.

• displacement

• distance

• velocity

• speed

Displacement and velocity are examples of ____________________ because they have both magnitude and direction.

• vectors

• scalars

• units

• constants

The sum of two or more vectors is called the ____________________.

• resultant vector

• scalar quantity

• displacement vector

• unit vector

Speed is measured in units of ____________________.

• meters per second

• kilograms per meter

• seconds per meter

• meters per kilogram

A car’s speedometer measures ____________________.

• instantaneous speed

• average speed

• distance traveled

• acceleration

v = d/t is the equation that defines ____________________.

• average speed

• acceleration

• force

• momentum

A constant slope on a distance-time graph indicates ____________________ speed.

• constant

• increasing

• decreasing

• zero

The difference between speed and velocity is that velocity indicates the ____________________ of motion and speed does not.

• direction

• distance

• time

• mass