Physical Science Semester 1 Exam

Front

Average speed is _____

Back

the total distance traveled divided by the total time

Front

What is stored energy called?

Back

Potential energy

Front

What is the unit used to measure work?

Back

Joule

Front

Which of the following is an example of balanced forces? A book resting on a table, A car accelerating on a highway, A ball rolling down a hill, A rocket launching into space

Back

A book resting on a table

Front

Which is an example of VELOCITY? A dog running at 3 m/s, A deer sprinting at 4 m/s, A migrating bird headed south for the winter at 3 m/s, A person not moving at all

Back

A migrating bird headed south for the winter at 3 m/s

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What type of energy is associated with motion?

Back

Kinetic energy

Front

What is the effect of balanced forces on an object?

Back

The object remains at rest or continues to move at a constant velocity.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is the gravitational potential energy formula?

Back

Potential Energy = mass × gravity × height