Energy from the Sun travels to Earth as . a. mechanical energy a. mechanical energy b. chemical energy c. radiant energy d. combustion

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.