What principles of science (like facts, laws, and theories) might help explain why similar investigations conducted in many parts of the world could result in the same outcome?

What are similarities and differences of reflection, refraction, diffraction and absorption?

When a pair of 10-n forces act on a box of candy, the net force on the box is a 20 n. b about 14 n. c zero. d any of the above depending on the directions of forces.

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.