Question

50. A heavy weight can be lifted by using simple
machines such as pulley system by applying a small
force. Does this mean that less work is done by
using a simple machine than if the weight had been
lifted directly? Explain.​

Answer 1

Answer:

pulley is a better way to lift the load because in Pulley we can make the use of our own weight to apply the force to lift the object while simply lifting the object we have to apply more force than a pulley.

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Answer 2

Answer:

yes

Step-by-step explanation:

when a pulley is used to lift a load, the direction of effort changes to a convenient one

I hope this helps