Which of these forces is responsible for the tides on Earth?

What is the force that opposes motion between two surfaces in contact?

Which of the following best describes Newton's First Law of Motion?

What type of force is responsible for keeping electrons bound to the nucleus of an atom?

Which of these is a non-contact force?

What force causes a skydiver to reach a terminal velocity?

Which of Newton's Laws explains why rockets are able to move forward?

What is the unit of force?

A book is resting on a table. What force is balancing the weight of the book?

What is the name of the force that keeps planets in orbit around the Sun?