6. One end of a light inextensible string is attached to a block. The string is used to pull the block along a horizontal surface with a speed of 2 m s−1. The string makes an angle of 20° with the horizontal and the tension in the string is 25 N. Find the work done by the tension in a period of 8 seconds.
6. One end of a light inextensible string is attached to a block. The string is used to pull the block along a horizontal surface with a speed of 2 m s−1. The string makes an angle of 20° with the horizontal and the tension in the string is 25 N. Find the work done by the tension in a period of 8 seconds.
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Transcribed Image Text:6. One end of a light inextensible string is attached to a block. The string is used to pull the block
along a horizontal surface with a speed of 2 m s−1. The string makes an angle of 20° with the
horizontal and the tension in the string is 25 N. Find the work done by the tension in a period of
8 seconds.
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