Problem 13-59 The sled and rider have a total mass M and start from rest at 4(b, 0). If the sled descends the smooth slope, which may be approximated by a parabola, determine the normal force that the ground exerts on the sled at the instant it arrives at point B. Neglect the size of the sled and rider. Hint: Use the result of Prob. 13-58 Units Used: kN = 10° N Given: a = 2 m b = 10 m c = 5 m M = 80 kg g = 9.81 Solution: V2gc y(x) = c Mg 20 y'(x) = y"(x) = P(x) y"(x) 189

Elements Of Electromagnetics
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13-59

Problem 13-59
The sled and rider have a total mass M and start from rest at 4(b, 0). If the sled descends
the smooth slope, which may be approximated by a parabola, determine the normal force
that the ground exerts on the sled at the instant it arrives at point B. Neglect the size of the
sled and rider. Hint: Use the result of Prob. 13-58
Units Used:
kN = 10° N
Given:
a = 2 m
b = 10 m c = 5 m
M = 80 kg g = 9.81
Solution:
V2ge
y(x) = c
Mg
20
y'(x) =
y"(x) =
P(x)
y"(x)
189
Engineering Mechanics - Dynamics
Chapter 13
Nh - Mg = M
Nh = Mg + M
Nh = 1.57KN
p(0 m),
Transcribed Image Text:Problem 13-59 The sled and rider have a total mass M and start from rest at 4(b, 0). If the sled descends the smooth slope, which may be approximated by a parabola, determine the normal force that the ground exerts on the sled at the instant it arrives at point B. Neglect the size of the sled and rider. Hint: Use the result of Prob. 13-58 Units Used: kN = 10° N Given: a = 2 m b = 10 m c = 5 m M = 80 kg g = 9.81 Solution: V2ge y(x) = c Mg 20 y'(x) = y"(x) = P(x) y"(x) 189 Engineering Mechanics - Dynamics Chapter 13 Nh - Mg = M Nh = Mg + M Nh = 1.57KN p(0 m),
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