If Marie pushes horizontally on a table, but not hard enough to get it moving, the friction force acting on the table is A) zero.
B) equal to the weight of the table.
C) equal and opposite to her push.
D) none of the above

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.