Quiz4U! Find the normal force vector:

Question

A concrete slab weighing 130 Newtons rests on level ground. Find the normal force vector, N.

Possible Answers:

[12.5 0]

[130 0]

[0 -130]

[0 130]

[-130 0]

Answer 1

Equating the upward reaction to the downward weight:

N = [0 130].