A rock is suspended from a string; and it accelerates upward. Which of the statements is...

Question

Question

A rock is suspended from a string; and it accelerates upward. Which of the statements is true concerning the tension in the string?

A. The tension points downward

B. The tension is less than the weight of the rock

C. The tension is equal to the weight of the rock

D. The tension is greater than the weight of the rock

E. The tension is independent of the magnitude of the rock’s acceleration.

science physics

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

A rock is suspended from a string; and it accelerates downward. Which one of the following...

A rock is suspended from a string; and it accelerates downward. Which one of the following statements concerning the tension in the string is true? A rock is suspended from a string; and it accelerates upward. Which statement is true concerning the tension in the string? 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 points downward. B)...
The tension in a string from which a 4.0-kg object is suspended in an elevator is...

The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? Select one: a. 2.4 m/s2 downward b. 1.2 m/s2 upward c. 11 m/s2 upward d. 10 m/s2 upward e. 1.2 m/s2 downward
An object is hanging by a string from the ceiling of an elevator. The elevator is moving upward with a constant speed....

An object is hanging by a string from the ceiling of an elevator. The elevator is moving upward with a constant speed. What is the magnitude of the tension in the string? The magnitude of the tension in the string is equal to the magnitude of the weight of the object. The magnitude of the tension in the string is less than the magnitude of the weight of the object. The tension in the string cannot be determined without knowing...

A rock is suspended from the lower end of a light string. When the rock is...

A rock is suspended from the lower end of a light string. When the rock is totally immersed in water, the tension in the string is 1.20 N. When the rock is totally immersed in ethanol, the tension in the string is 1.60 N. Part A Calculate the weight of the rock. Express your answer with the appropriate units.
A rock is suspended from a string in air. The tension in the string is 2.94N. The rock then is submerged in a liquid, and the tension in the string drops to 2.06N. If the density of the rock is 2.55 g...

A rock is suspended from a string in air. The tension in the string is 2.94N. The rock then is submerged in a liquid, and the tension in the string drops to 2.06N. If the density of the rock is 2.55 g/cm3 what is the density of the liquid?
bailof mass M is suspended by a thin string (of negligible mass) from the ceiling of...

bailof mass M is suspended by a thin string (of negligible mass) from the ceiling of an elevator. The vertical motion of the elevator as it travels up and down is descnibed in the statements below. Indicate for each of the situations described the relation between value of the tension in the cable, T, and the weight of the ball, Mg, or whether one Cannot teil. (Assume that there is no air, .e., neglect the buoyancy effect of the air)...

_________An elevator suspended by a vertical cable is moving downward but slowing down. The tension in...

_________An elevator suspended by a vertical cable is moving downward but slowing down. The tension in the cable must be A) greater than the weight of the elevator. B) less than the weight of the elevator. C) equal to the weight of the elevator. ______ A bucket is being lowered by a very light rope with a constant downward velocity. The tension in the rope must be A) equal to the weight of the bucket. B) greater than the weight...
1)A rock is suspended from a string in air. The tension in the string is 2.94N....

1)A rock is suspended from a string in air. The tension in the string is 2.94N. The rock then is submerged in a liquid, and the tension in the string drops to 2.06 N. If the density of the rock is 2.55 g/cm^3 what is the density of the liquid? 2)When exposed to sunlight, a hole in a sheet of copper expands in diameter by 0.153% compared to its diameter at 68 F. What is the temperature of the copper...
An object suspended from a cable is lowered at steadily decreasing speed. Which is true? The...

An object suspended from a cable is lowered at steadily decreasing speed. Which is true? The rope tension can’t be compared to the object’s weight. The rope tension equals the object’s weight The rope tension is less than the object’s weight. The rope tension is greater than the object’s weight The rope tension is zero

012 10.0 points A 7 kg rock is suspended by a massless string from one end...

012 10.0 points A 7 kg rock is suspended by a massless string from one end of a 5 m measuring stick. 0 2 7 kg What is the weight of the measuring stick if it is balanced by a support force at the 1 m mark? The acceleration of gravity is 9.81 m/s in Answer in units of N.