Which statement is part of the Law of Universal Gravitation? A. Earth's gravity stops when items or people leave the planet
B. objects that have different masses, exert the SAME gravitational pull
C. All objects exert a gravitational force on each other
D. small objects exert a greater pull than large ones
No

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

this was from the link provided:

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.