Potential or Kinetic: A quartback throwing a football.

2 students are working to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table. If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?

A train travels 25 km in .5 hrs. How fast is the train going?

Two liquids are added together in a beaker. A precipitant is formed. What kind of change is this?

Potential or Kinetic: A pencil falling off a desk

During a game of tug-a-war, neither team is able to make any advance. What can be assumed about the forces?

When do you add forces together?

Potential or Kinetic: A car parked in a parking lot

What is the formula for speed?

What is the energy of motion?

When do you subtract forces?

What is the difference between the velocity and the speed of an object?

The chemical equation for sodium sulfate is Na2SO4. How many sulfur atoms are in the formula for sodium sulfate?