Question

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Answer 1

Answer:

1. The force arrow for either direction begins at the surface(the black dot). Due to Newton's third law, the normal forces will be equal in magnitude and in opposite direction. The normal force always makes a 90 degree angle with the surface (perpendicular).

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Answer 2

Answer:

PLEASE MARK ME BRAINLIEST

3)Normal force acts perpendicular to the surface on which body is kept.

4)The weight of a body will act downwards (i.e) due to gravitational force.

5)Net force= difference between forces acting on the body (i.e) 400-200=200N towards righT,