The net force in lifting the heavy box is 50 newtons, and the direction of the box is upward. The correct option is B.
A push or a pull that modifies or tends to modify an object's uniform motion or state of rest, or modifies the object's direction or shape, is known as a force. It is calculated in Newtons, and there are different types of force.
The force of the arm in pushing the box over is 250 Newton
The force by gravity is 200 Newton.
The force of the arm - the gravitational force
250 - 200 = 50
Therefore, the correct option is B, 50 N upwards.
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The question is incomplete. Your most probably complete question is given below:
50 N downwards
50 N upwards
-50 N upwards
-50 N downwards
