GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the net force and the direction of movement?
A
50 N, left
B
50 N, right
C
500 N, left
D
450 N, right
Explanation: 

Detailed explanation-1: -The direction of the net force is determined by the sign. The general conventions for physics are that motion going backwards or down is negative and motion going forwards or up is positive.

Detailed explanation-2: -If they are in the same direction then it’s 15 N. In general it’s 5N * 10N * cos(angle between them) for the magnitude. But the resultant will have a direction as well.

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