give two example of situation in which force cause the change in size of a body
Answers
Answer:•stretching of rubber band
•rolling dough
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Explanation:
Answer:
When you bounce a ball, the wall of the ball is temporarily compressed.
When your car tries to move a tree, but instead dents its bumper.
When you squeeze a lump of clay (or dough).
When you fluff your pillow (except if you have the amazing My Pillow which fluffs itself).
When you take a bite out of an apple (hmm, this also holds for cheese).
Your clothes bend with your body under the forces applied.
When you make a “face” at that person who just cut in line.
When you brush your hair.
When you drop a raw egg from not too high.
(Interestingly, dropping a raw egg from a [?] one story building onto asphalt will not break the egg on the first contact. It bounces [see “bounce ball” above]. Then it breaks as it hits the second time. From “You Asked For It”, an old TV show.)
Explanation:
An external force may cause a change in the state of motion, size, and shape of an object. The effect may create a change in the internal arrangement of molecules making up the purpose and depending upon the magnitude of the force, the size or shape of the object may change. An example is a pulling force on a spring which causes its elongation, similar is the compressive force which compresses the spring. In both the cases, the force causes a change in the size of the spring. We can squeeze an orange and cause a change in its size. Similar is the result of compressing a clay ball. One can also see that pizza makers apply force on the dough and create thin or thick crust base and various sizes of the pizza out of it. Thus force can be applied to change the size or shape or both of an object.
Hope this helps.