An object of mass m is hanging by a string from the roof of an elevator. The elevator is slowing down. What is the tension in the string?
A. greater than mg
B. less than mg
C. equal to mg
D. depends on the speed of the elevator
A. greater than mg
You might also like to view...
When bringing water to a boil in the mountains, the time needed to reach the boiling point is
A) less than at sea level. B) more than at sea level. C) the same as at sea level.
Which of the following could be the molecular formula for an alkane?
a. C7H7 b. C6H12 c. C5H9 d. C9H16 e. C3H8
Significant Figures: The number of significant figures in 10,001 is
A. two. B. three. C. five. D. six.
At double the distance from a long current-carrying wire, the strength of the magnetic field produced by that wire decreases to
A) 1/8 of its original value. B) 1/4 of its original value. C) 1/2 of its original value. D) 1/ of its original value. E) /3 of its original value.