A person uses a rope and a pulley for taking out water from an open well. Can this be called as an application of science?

Yes

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Solution

The correct option is A
Yes

Yes. It is an application of science. By applying science, we can make our life easier. In this example, a rope and pulley mechanism is used to draw the water out of the well which reduces our physical effort to do the same.

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Q. No contact force acts on a bucket when it is being pulled out of a well using a rope

Q. A person draws

10

kg of water from a well at a depth of

5

m using a single fixed pulley by applying an effort of

120

N. Find the efficiency of the machine.

(g = 10 {m s}^{- 2})

Q. A body is moving down into a well through a rope passing over a fixed pulley of radius 10 cm. Assume that there is no slipping between rope & pulley, calculate the angular velocity and angular acceleration of the pulley at an instant when the body is going down at a speed of 20 cm/s and has an acceleration of 4.0

m / s^{2}

Q. Pulley is used to pull water from a well.

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A person uses a rope and a pulley for taking out water from an open well. Can this be called as an application of science?

The correct option is A Yes Yes. It is an application of science. By applying science, we can make our life easier. In this example, a rope and pulley mechanism is used to draw the water out of the well which reduces our physical effort to do the same.

The correct option is A
Yes

Yes. It is an application of science. By applying science, we can make our life easier. In this example, a rope and pulley mechanism is used to draw the water out of the well which reduces our physical effort to do the same.