What is one way you could reduce the friction between two surfaces

A friend says that astronauts in orbit are weightless because they are beyond the pull of earths gravity. Correct your friends ignorance.

Can we divide two vectors?

What did Sarah Stewart enjoy reading as a kid

Which state of matter has a definite volume but a variable shape?

How is the structure of a root adapted for its functions

Can you change your mass without changing your weight?

As soon as parachute of a falling soldier opens, how will the accleration change?

Which type of energy is stored energy? A. Potential B. Kinetic C. Magnetic D. Mechanical

Which of these situations would NOT qualify as a perfectly inelastic collision? A. A frog that jumps onto and sits on a lily pad. B. A bowling ball that knocks pins out of its way as it rolls down a lane C.

Give an example for each of the following situations: 1) Negative acceleration, but positive velocity 2) Positive acceleration and positive velocity 3) Positive acceleration, but negative velocity 4) Negative acceleration and negative velocity 5)