The net force acting on an object is
A. the force of friction acting on it.
B. the combination of all forces acting on it.
C. most often its weight.
D. none of the above
Answer: B
You might also like to view...
Radiometric dating techniques allow geologists to place events in sequence without knowing
their exact ages. Indicate whether the statement is true or false.
Judge the following sentence according to the criteria given below: The worldwide retreat in mountain
glaciers is significant BECAUSE these glaciers' reaction times are much slower than the ice sheets of Antarctica and Greenland. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect.
Which one of the following sources of energy is both renewable and sustainable?
A) Natural gas used to heat homes B) Gasoline used to run cars C) Hydroelectric dams D) A coal-fired electrical power plant
Warmer-than-average surface water temperatures between Africa and the Caribbean are associated with a greater frequency of Atlantic hurricanes
Indicate whether the statement is true or false