Kavita uses a downward pulling force on the rope to make the blind go up. Which simple machine is being used?
A) Pulley B) Lever C) Wheel D) Inclined plane
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pulley must be used to make the blind make up as it changes the direction of work and make the work easier
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The machine Kavitha used is a pulley(option a).
What is a pulley?
A sheave or small wheel with a grooved rim and with or without the block in which it runs, used single or in various combinations with a rope or chain to vary the direction and point of application of a pulling force, notably for lifting weights.
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