Which of the following is an example of a force? A. electrons moving toward a positive charge B. a child kicking a soccer ball C. air pushing against a falling object D. all of the above

What units are used for gravitational potential energy? Write the name, not the symbol.

If you can hit a golf ball 230 m on Earth, how far can you hit it on the Moon?

Ask Your Teacher An electric motor is plugged into a standard wall socket and is running at normal speed. Suddenly, some dirt prevents the shaft of the motor from turning quite so rapidly.

What is the smallest part of a compound that has the properties of that compound

What makes a structure strong?

What happens to the total mechnical energy of the apple as it falls from the tree?

Fair Bonus Question: Derive the equation for gravitational potential energy, starting with the definition of work.

A juggler throws a bowling pin into the air with an initial velocity. Another juggler drops a pin at the same instant.

The liquid electrolyte in the battery typically takes what kind of net charge? a. positive b. negative c. neutral

Relating to Newton's Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?