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Q.

Suppose a body that is acted on by exactly two forces is accelerated. For this situation mark the INCORRECT statements

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a

The velocity can never be zero

b

The two forces must act in the same line

c

The body can’t move with constant speed

d

The vector sum of two forces can’t be zero

answer is A, B, D.

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Detailed Solution

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The body gets acceleration when there is net force acts on it. Hence vector sum of the forces can't be zero.

The body is said to have an acceleration. Hence velocity changes in magnitude or direction or both. 

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