Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
Q56: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3413/.jpg" alt=" -Which two forces
Q57: The graph shows the velocities of two
Q58: A 2.00-kg projectile is fired at an
Q59: A 2.0-kg object moves in a straight
Q60: When the net force that acts on
Q62: A rope holds a 10-kg rock at
Q63: An astronaut orbits the earth in a
Q64: Two sleds are hooked together in tandem
Q65: A physics student in a hot air
Q66: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3413/.jpg" alt=" -Determine the magnitude