Which statement below is false? a) weight depends on the force of gravity. b) mass is the amount of matter in an object. c) mass is a constant no matter where you are located. d) weight is a constant no matter where you are located.

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

Contains chemical energy. a. heat b. light c. natural gas