Question

Q5. Answer briefly.
1. What effects can a balanced force produce?
2. How will the inertia of a body be affected when
a. Force is doubled
b. Density is halved
c. Volume is reduced

Answer 1

Answer:

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What effects can a balanced force produce?

Balanced forces do not cause any change of state of an object. Balanced forces are equal in magnitude and opposite in direction. Balanced forces can change the shape and size of an object. For example: When we press a balloon from opposite sides, the size and shape of balloon is changed.

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How will the inertia of a body be affected when

a. Force is doubled

If force is doubled. There would be no effect on the inertia of the following as inertia is the measure of the mass of an object and mass of an object cannot be changed.

b. Density is halved

If density or volume is decreased, then mass should also decrease and hence inertia should decrease.

c. Volume is reduced

If volume is decreased, then mass should also decrease and hence inertia should decrease.

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