Calculating Tension in a Rope for a Slowing Object

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SUMMARY

The discussion focuses on calculating the tension in a rope supporting a bucket that is decelerating at a constant rate of 0.640 m/s². The weight of the bucket is given as 22.0 N. The correct approach involves using Newton's second law (F=MA) to derive the mass of the bucket as 2.24 kg and then calculating the tension in the rope (T) as 23.39 N by considering both the gravitational force and the deceleration. The initial misstep of adding accelerations is corrected by emphasizing the importance of drawing a force diagram.

PREREQUISITES
  • Understanding of Newton's second law (F=MA)
  • Knowledge of gravitational force calculations (Fg = M*G)
  • Ability to interpret and create force diagrams
  • Basic algebra for solving equations
NEXT STEPS
  • Study the principles of force diagrams in physics
  • Learn about the effects of acceleration on tension in ropes
  • Explore advanced applications of Newton's laws in real-world scenarios
  • Investigate the relationship between mass, weight, and acceleration
USEFUL FOR

Students studying physics, particularly those focusing on mechanics, as well as educators seeking to clarify concepts related to tension and forces in motion.

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Homework Statement


A bucket is lifted up by a rope, slowing down at a constant rate of 0.640 m/s^2. Find the tension in the rope if the bucket weighs 22.0 N.

Homework Equations


F=MA
Fg(gravity)=M*G(gravitational force)

The Attempt at a Solution


9.8 m/s^2 + 0.640 m/s^2 = 10.44 m/s^2
22N=M*9.8m/s^2
M=2.24 kg

Ft=MA
Ft=2.24 kg * 10.44 m/s^2
Ft=23.39 N
 
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badshar said:

Homework Statement


A bucket is lifted up by a rope, slowing down at a constant rate of 0.640 m/s^2. Find the tension in the rope if the bucket weighs 22.0 N.

Homework Equations


F=MA
Fg(gravity)=M*G(gravitational force)

The Attempt at a Solution


9.8 m/s^2 + 0.640 m/s^2 = 10.44 m/s^2
22N=M*9.8m/s^2
M=2.24 kg

Ft=MA
Ft=2.24 kg * 10.44 m/s^2
Ft=23.39 N

Everything is all scrambled up. Why are you adding accelerations? Draw a force diagram. The tension T points up, the weight W points down and you know the acceleration. Try and solve for T.
 

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