Question 34-36
The potential energy of a body constrained to move on a straight line is kx4 where k is a constant. The position of the body is x, its speed v, its linear momentum p, and its mass m.
The force on the body is
The potential energy of a body constrained to move on a straight line is kx4 where k is a constant. The position of the body is x, its speed v, its linear momentum p, and its mass m.
The force on the body is
A. ½mv²
B. −4kx3
C. kx4
D. −kx5/5
E. mg
(GR8677 #34)
Solution:Answer: B
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