If a force of 45N is applied to the right side of the body while a force of 45 N is applied to the left side of the body. Find the net force?

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The net force is 0N

The net force is 45N

The net force is 90N

None of these

answer is A.

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Detailed Solution

An object is said to be at rest if its position with relation to its surroundings does not vary over time. An object is said to be in motion if its position changes in relation to its surroundings and time.

According to question If a force of $45 N$ is applied to the right side of the body while a force of $45 N$ is applied to the left side of the body, and the body is originally at rest.
If we consider $F_{1} = - 45 N$ (Force direction is opposite) and $F_{1} = 45 N$
Then $F_{n e t} = F_{1} + F_{2} = - 45 + 45 = 0 N$ .
Hence we know that if magnitudes are same but direction of force is opposite then we can say it is balanced force.