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Gravtiational PE

Which of the ...

Question

Which of the following does not possess the ability to do work not because of motion?

A

A sparrow flying in the sky

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B

A sparrow moving slowly on the ground

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C

A sparrow in the nest on a tree

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D

A squirrel going up a tree

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Solution

The correct option is D A sparrow in the nest on a tree
A sparrow in the nest on a tree has an inherent potential energy. Since its velocity is zero, it does not possess any kinetic energy (ability to do work not because of motion).

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Similar questions

Which of the following does not possess the ability to do work not because of motion?

(a) a sparrow flying in the sky

(b) a sparrow moving slowly on the ground

(c) a sparrow in the nest on a tree

(d) a squirrel going up a tree

Q. A sparrow flying in air sits on a stretched telegraph wire if the weight of the sparrow is

W

which of the following is true about the tension

T

produced in in the wire?

A sparrow is a small bird which is found throughout the world. There are many different species of sparrows. Sparrows are only about four to six inches in length. Many people appreciate their beautiful song. Sparrows prefer to build their nests in low places-usually on the ground, clumps of grass, low trees and low bushes. In cities they build their nests in nooks or holes. They rarely build their nests in high places. They build their nests out of twigs, grasses and plant fibres. Their nests are usually small and well-built structures.Female sparrows lay four to six eggs at a time. The eggs are white with reddish brown spots. They hatch between eleven to fourteen days. Both the male and female parents care for the young. Insects are fed to the young after hatching. The large feet of the sparrows are used for scratching seeds. Adult sparrows mainly eat seeds. Sparrows can be found almost everywhere, where there are humans. Many people throughout the world enjoy these delightful birds.

The sparrows are some of the few birds that engage in dust bathing. Sparrows first scratch a hole in the ground with their feet, then lie in it and fling dirt or sand over their bodies with flicks of their winds. They also bathe in water, or in dry or melting snow. Water bathing is similar to dust bathing, with the sparrow standing in shallow water and flicking water over its back with its wings, also ducking its head under the water. Both activities are social, with up to a hundred birds participating at once, and is followed by preening and sometimes group singing.

Q. What is not true with reference to sparrows?

Q. A sparrow flies around a circular path at a constant speed. If the radius of the circular path is 15.0 m and the sparrow takes 10 seconds to complete one lap. how fast is the sparrow flying?

Q. Assertion :Sparrows possess poor night vision. Reason: Sparrows eyes are made up of ommatidia.

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