Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 13.1 In Example 13.2, suppose that the vehi-
cle is dropped from a height h = 6m. (a) What is the
downward velocity 1 s after it is released? (b) What is
its downward velocity just before it reaches the ground?
Solution: Tl]: equations that govern
Problem 13.69: Answers: t = 1.01 sec, d = 11.0 m
Problem 13.84: Answers: t = 2.32 sec, R = 17.21m
Problem 13.108: Answer: a = 1060 m/s2 (108 gs)
Problem 13.112: Answers:
Problem 13.119: Answer:
Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 14.95 Answers: Fr = -1.68 lb, F = 9.32 lb, The forces are exerted as friction between the disk and the mans
feet.
Problem 15.19 Answers: (a) T0 = 932.9 N (b) v = 1.06 m/s
Problem 15.34 Answers: (a) v2 = 5.98 m/s, (b) v2 = 5.56 m/s
Problem 15.51 An
Problem 14.18 Answers
Answer to Problem 14.41: m = 19.4 kg
Answer for Problem 14.93: t = 14.4 s, v = 49.6 m/s
Answers for Hermes spacecraft problem:
(a)
(b)
(c)
(d)
= 0.221 rad/s
simulated weight, w = 353.2 N
w(r) = 2mr2
w(0) = 0
16.2, 8, 17, 20, 34, 49, 53, 56, 62, 72, 74
Problem 16.8 answer:
Problem 16.20 answer: v=17.2 ft/s
Problem 16.56 answers
Part a
Part b
Problem 16.74 answer:
EM 311M: Dynamics
Additional Problem: Dynamic Analysis of Engineering Systems Using Normal and Tangential Components
Problem Statement
A section of the fictional Hermes spacecraft in the movie The
Martian is designed to rotate around a central axis so tha
\Problem 17.128 The angular velocity mm = 5° per
second. Determine the angular velocity of the hydraulic
actuator BC and the rate at which the actuator is extend
mg
1
l
l
\
\
Solution: The point C effectively slides in a slot in the arm BC.
The an