mass = 65kg
table weighs = 490 N
F = ma
Where:
F = force
a = acceleration due gravity (9.8 m/s^2)
F = 65 x 9.8 = 637 N
Add both weights
F = 637 + 490 = 1,127 N
N = sum of forces
N= Normal force = 1,127 N
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