Author Question: A quantity that has only a magnitude but no direction associated with it is called a __________. ... (Read 72 times)

mydiamond · **on:** Jul 28, 2018

A quantity that has only a magnitude but no direction associated with it is called a __________.
Fill in the blank(s) with correct word

Question 2

Which of the following statements is NOT true?
a. Like electric forces between charges, gravitational force varies according to the inverse-square law.
b. The inverse-square law governs electrical forces, but not gravitational forces.
c. Charges can be positive or negative, but mass can only be positive.
d. Electrical forces can be attractive or repulsive, but gravitational force can only be attractive.
e. Two charges can cancel each other out, but nothing cancels out gravity.