Mid Term Exam Review

Front

What does Newton's third law of motion state?

Back

For every action, there is an equal and opposite reaction.

Front

What is the variable that is being measured or observed in an experiment?

Back

Dependent variable.

Front

What does Newton's first law of motion state?

Back

An object in motion will remain in motion and an object at rest will remain at rest unless acted upon by an outside force.

Front

What is a simple machine that consists of a rigid bar that pivots on a fixed point?

Back

Lever.

Front

If a clown walked 27 feet in 9 seconds, what was his velocity?

Back

3 feet/sec.

Front

What is the definition of a dependent variable?

Back

The variable that is the result or effect in an experiment.

Front

What is the definition of an independent variable?

Back

The variable that is changed or controlled in an experiment.

Front

What is a lever?

Back

A simple machine that consists of a rigid bar that pivots on a fixed point.

Front

What is the formula for calculating velocity?

Back

Velocity = Distance / Time.

Front

What is the definition of acceleration?

Back

The rate of change of velocity per unit of time.