The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A rigid uniform horizontal bar of mass m₁ = 100 kg and length L = 5.40 m is supported by two vertical massless strings. String A is attached at a distance d = 2.00 m from the left end of the bar and is connected to the top plate. String B is attached to the left end of the bar and is connected to the floor. An object of mass m₂ = 3500 kg is supported by the crane at a distance = 5.20 m from the left end of the bar. Throughout this problem, positive torque is counterclockwise and use 9.80 m/s² for the magnitude of the acceleration due to gravity. Figure ng B String A mi < 1 of 1 > m2 Part A Find TA, the tension in string A. Express your answer in newtons using three significant figures. ► View Available Hint(s) 17 ΑΣΦ TA = Submit X Incorrect; Try Again Your answer has dimensions of torque, not force. Part B Previous Answers TB = Find T3, the magnitude of the tension in string B. Express your answer in newtons using three significant figures. ▸ View Availaifle Hint(s) — ΑΣΦ 4 Submit Previous Answers X Incorrect; Try Again ? reset N ? N

The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A rigid uniform horizontal bar of mass m₁ = 100 kg and length L = 5.40 m is supported by two vertical massless strings. String A is attached at a distance d = 2.00 m from the left end of the bar and is connected to the top plate. String B is attached to the left end of the bar and is connected to the floor. An object of mass m₂ = 3500 kg is supported by the crane at a distance = 5.20 m from the left end of the bar. Throughout this problem, positive torque is counterclockwise and use 9.80 m/s² for the magnitude of the acceleration due to gravity. Figure ng B String A mi < 1 of 1 > m2 Part A Find TA, the tension in string A. Express your answer in newtons using three significant figures. ► View Available Hint(s) 17 ΑΣΦ TA = Submit X Incorrect; Try Again Your answer has dimensions of torque, not force. Part B Previous Answers TB = Find T3, the magnitude of the tension in string B. Express your answer in newtons using three significant figures. ▸ View Availaifle Hint(s) — ΑΣΦ 4 Submit Previous Answers X Incorrect; Try Again ? reset N ? N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.

Equilibrium of Forces

The tension created on one body during push or pull is known as force.

Question

The figure shows a model of a crane that may be mounted on a truck. The crane consists of a rigid uniform horizontal bar with mass \( m_1 = 100 \, \text{kg} \) and length \( L = 5.40 \, \text{m} \). This bar is supported by two vertical massless strings. String A is attached at a distance \( d = 2.00 \, \text{m} \) from the left end of the bar and is connected to the top plate. String B is attached to the left end of the bar and is connected to the floor. An object of mass \( m_2 = 3500 \, \text{kg} \) is supported by the crane at a distance \( x = 5.20 \, \text{m} \) from the left end of the bar.

Throughout this problem, positive torque is counterclockwise, and the magnitude of the acceleration due to gravity is \( 9.80 \, \text{m/s}^2 \).

**Part A:**
Find \( T_A \), the tension in string A.
- Express your answer in newtons using three significant figures.

**Hint:**
Ensure your answer has the dimensions of force, not torque.

**Part B:**
Find \( T_B \), the magnitude of the tension in string B.
- Express your answer in newtons using three significant figures.

**Diagram Explanation:**
The diagram shows the setup of the crane with the horizontal bar and the two strings. The dimensions \( L \), \( d \), and \( x \) are marked along the bar. The mass \( m_2 \) is positioned near the right end of the bar, and the attachment points of strings A and B are indicated on the left.

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