Question

A system in which only one particle can move has the potential energy shown in (figure 1). Suppose u1 = 60 j. What is the y-component of the force on the particle at y = 0. 5 m ?.

Answer 1

The y-component of the force on the particle at the given position is 120 N.

Electric force on the particle

The electric force on the particle is determined by applying Coulomb's law and work-energy theorem as shown below;

Fd = W

Where;

• F is the applied force
• d is the distance
• W is potential

F = W/d

F = 60/0.5

F = 120 N

Thus, the y-component of the force on the particle at the given position is 120 N.

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