A magnet of mass 4.04 kg is suspended from the ceiling by a cord as shown. A large magnet is somewhere off to the right, pulling on the small hanging magnet with a constant force of F = 169.4 N.  What is the magnitude of the tension force in the cord?     191.5 N     120.2 N     174.0 N     209.0 N

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Q: The third question: A person pushes a cart of mass 25 kg with a force of 50 Newtons to move it on a ...

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A: particle = electron gain in electrostatic potential difference = 1.2×1015 J   

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: