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To improve the acoustics in an auditorium, a sound reflector with a mass of 200 kg is suspended by a chain from the ceiling. Suppose that the mass of the chain is not negligible, but is 10.0 kg. Let's find the forces at the ends of the chain. Figure Y = NTV We 41 ~ → WC 1 of 3 Alternative Solution: An alternative procedure is to draw a free-body diagram for the composite object c and the chain together (Figure 3). The two forces on this composite object are the upward force T₁ at the total weight, with magnitude 1960 N +98 N = 2058 N. Again, we find that T₁ = 2058 N. Note that w method; we still need a separate free-body diagram for one of the objects. REFLECT When a composite object can be divided into two or more component parts, there are usually s solutions. Often, the calculations can be simplified by a clever choice of subsystems. Also, solving a probl alternative ways provides a consistency check that's useful in finding errors. Part A - Practice Problem: If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₁ ? Express your answer with the appropriate units. T₁ = Submit T₂ = Value Part B - Practice Problem: Submit μA LO Request Answer If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₂? Express your answer with the appropriate units. Provide Feedback μA Value Units Request Answer ? Units

To improve the acoustics in an auditorium, a sound reflector with a mass of 200 kg is suspended by a chain from the ceiling. Suppose that the mass of the chain is not negligible, but is 10.0 kg. Let's find the forces at the ends of the chain. Figure Y = NTV We 41 ~ → WC 1 of 3 Alternative Solution: An alternative procedure is to draw a free-body diagram for the composite object c and the chain together (Figure 3). The two forces on this composite object are the upward force T₁ at the total weight, with magnitude 1960 N +98 N = 2058 N. Again, we find that T₁ = 2058 N. Note that w method; we still need a separate free-body diagram for one of the objects. REFLECT When a composite object can be divided into two or more component parts, there are usually s solutions. Often, the calculations can be simplified by a clever choice of subsystems. Also, solving a probl alternative ways provides a consistency check that's useful in finding errors. Part A - Practice Problem: If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₁ ? Express your answer with the appropriate units. T₁ = Submit T₂ = Value Part B - Practice Problem: Submit μA LO Request Answer If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₂? Express your answer with the appropriate units. Provide Feedback μA Value Units Request Answer ? Units

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To improve the acoustics in an auditorium, a sound reflector with a mass of 200 kg is suspended by a chain from the ceiling. Suppose that the mass of the chain is not negligible, but is 10.0 kg. Let's find the forces at the ends of the chain. Figure Y ↑ 11~ -|- < 1 of 3 Alternative Solution: An alternative procedure is to draw a free-body diagram for the composite object c and the chain together (Figure 3). The two forces on this composite object are the upward force T₁ at the total weight, with magnitude 1960 N + 98 N 2058 N. Again, we find that T₁ = 2058 N. Note that w method; we still need a separate free-body diagram for one of the objects. REFLECT When a composite object can be divided into two or more component parts, there are usually s solutions. Often, the calculations can be simplified by a clever choice of subsystems. Also, solving a probl alternative ways provides a consistency check that's useful in finding errors. Part A Practice Problem: If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₁ ? Express your answer with the appropriate units. T₁ = Submit T₂ = НА Value Part B - Practice Problem: Submit Request Answer If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₂? Express your answer with the appropriate units. Provide Feedback HÅ Value Units Request Answer ? Units ?
Transcribed Image Text:To improve the acoustics in an auditorium, a sound reflector with a mass of 200 kg is suspended by a chain from the ceiling. Suppose that the mass of the chain is not negligible, but is 10.0 kg. Let's find the forces at the ends of the chain. Figure Y ↑ 11~ -|- < 1 of 3 Alternative Solution: An alternative procedure is to draw a free-body diagram for the composite object c and the chain together (Figure 3). The two forces on this composite object are the upward force T₁ at the total weight, with magnitude 1960 N + 98 N 2058 N. Again, we find that T₁ = 2058 N. Note that w method; we still need a separate free-body diagram for one of the objects. REFLECT When a composite object can be divided into two or more component parts, there are usually s solutions. Often, the calculations can be simplified by a clever choice of subsystems. Also, solving a probl alternative ways provides a consistency check that's useful in finding errors. Part A Practice Problem: If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₁ ? Express your answer with the appropriate units. T₁ = Submit T₂ = НА Value Part B - Practice Problem: Submit Request Answer If we triple the mass of the chain, what is the new value for the magnitude of the tension force, T₂? Express your answer with the appropriate units. Provide Feedback HÅ Value Units Request Answer ? Units ?
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