If you balance a book on your head, you are not doing work on the book because a Doing work requires moving an object. b You are not applying any force to the book. c The book is doing work on you. d The book has potential energy.

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e