(a) A 2.25 kg salami is supported by a cord that runs to a spring scale, which is supported by another cord from the ceiling (see Figure (a)). What is the reading on the scale, which is marked in weight units? (b) In Figure (b) the salami is supported by a cord that runs around a pulley and to a scale. The opposite end of the scale is attached by a cord to a wall. What is the reading on the scale? (c) In Figure (c) the wall has been replaced with a second 2.25 kg salami on the left, and the assembly is stationary. What is the reading on the scale now? Spring scale Spring scale (b) Spring scale (a) (c) (a) Number 22.05 Units N (b) Number 22.05 Units (c) Number 44.10 Units

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(a) A 2.25 kg salami is supported by a cord that runs to a spring scale, which is supported by another cord from the ceiling (see Figure
(a)). What is the reading on the scale, which is marked in weight units? (b) In Figure (b) the salami is supported by a cord that runs
around a pulley and to a scale. The opposite end of the scale is attached by a cord to a wall. What is the reading on the scale? (c) In
Figure (c) the wall has been replaced with a second 2.25 kg salami on the left, and the assembly is stationary. What is the reading on the
scale now?
Spring scale
Spring
scale
(b)
Spring scale
(a)
(c)
(a) Number
22.05
Units
N
(b) Number
22.05
Units
(c) Number
44.10
Units
Transcribed Image Text:(a) A 2.25 kg salami is supported by a cord that runs to a spring scale, which is supported by another cord from the ceiling (see Figure (a)). What is the reading on the scale, which is marked in weight units? (b) In Figure (b) the salami is supported by a cord that runs around a pulley and to a scale. The opposite end of the scale is attached by a cord to a wall. What is the reading on the scale? (c) In Figure (c) the wall has been replaced with a second 2.25 kg salami on the left, and the assembly is stationary. What is the reading on the scale now? Spring scale Spring scale (b) Spring scale (a) (c) (a) Number 22.05 Units N (b) Number 22.05 Units (c) Number 44.10 Units
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