(a) An 11.0kg salami is supported by a cord that runs to a spring scale, which is supported by a cord hung from the ceiling (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 11.0 kg salami and the assembly is stationary.

What is the reading on the scale?

Transcribed Image Text:

Spring scale Spring scale (b) Spring scale (a) (c)