A rock is suspended from a string and moves downward at constant speed. which statement is true concerning the tension in the string if air resistance is ignored? – 2017

a rock is suspended from a string and moves downward at constant speed. which statement is true concerning the tension in the string if air resistance is ignored?




A rock is suspended from a string and moves downward at constant speed. Which statement is true concerning the tension in the string if air resistance is ignored?
A. The tension is zero newtons.
B. The tension points downward.
C. The tension is equal to the weight of the rock.
D. The tension is less than the weight of the rock.
E. The tension is greater than the weight of the rock.




A rock is suspended from a string; and it moves downward at constant speed. Which
one of the following statements is true concerning the tension in the string if air
resistance is not ignored?
A) The tension is zero newtons.
B) The tension points downward.
C) The tension is equal to the weight of the rock.
D) The tension is less than the weight of the rock.
E) The tension is greater than the weight of the rock.




A rock is suspended from a string and moves downward at constant speed. Which statement is
true concerning the string tension if air resistance is ignored?
A) The string tension has a magnitude of zero newtons.
B) The string tension acts downward on the rock
C) The string tension is equal to the weight of the rock
D) The string tension is twice the weight of the rock
E) The string tension is half the weight of the rock
F) The string tension is only slightly less than the weight of the rock
G) The string tension is only slightly greater than the weight of the rock
H) The string tension starts less than, but becomes greater than the weight of the rock

 

Related posts:

Leave a Reply