A person stands on the floor. What does Newton's third law say must happen A . The floor pushes up on the person
B. the floor will accelerate
C. the person will accelerate
D. Gravity pulls down on the floor.

Explain that newton first law,second law and third law of motion?

Stage in which a typical star has completely stopped fusion

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.