Question

entProblemD 1084056 Principles of Physics I, Sec 1. Spring 2019 <Chapter 10, Potential Energy and Interactions Problem 10.31 Part A Revew What is the y-componont of the force on the particle ay 05m2 A system in which only one particle can pove has the potenthial eneegy shown in (figure 1) Suppose Us 80 J Express your answer to two significant figures and include the appropriate ,Value X Incorrect: Thy Again Figure 1 of 1 ▼PartB U (O) What is the y component of the force on the particle at y 4 m? Express your answer to two significant figures and include the appropriateun y (m) r,-1 Value O Type here to search

Answer 1

here,

U1 = 80 J

the instantaneous force = slope of curve at the instant

a)

the y-component of force at y = 0.5 m , Fy = (U1 - 0)/(1 -0)

Fy = 80 N

b)

the y-component of force at y = 4 m , Fy = (0 - U1)/(5 - 1)

Fy = - 80 /4 = - 20 N