PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Chapter 18, Problem 18P
To determine
The speed of the loading car after it travels to the distance of
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The wheel has a mass of 100 kg and a radius of gyration of ko = 0.2 m. A motor
supplies a torque M = (400 + 900) N/m, where 0 is in radians, about the drive shaft
at O. Determine the total work done on the system (in kJ) after the loading car
travels s = 2.0 m. The mass of the car is 280 kg and initially it is at rest when = 0
and 0 = 0°. Neglect the mass of the attached cable and the mass of the car's wheels.
=
30°
M
0.3 m
A drum with a radius of 0.5 ft has a weight of 90 lb and a radius of gyration ko = 0.3 ft. A
weightless cable is wrapped around the drum and rotates it clockwise. If the cable is being pulled
by a force P = 15 lb, determine the time needed to increase the drum's angular velocity from
w1 = 6 rad/s to wz = 24 rad/s.
0.5 ft
The e wheel has a mass of 100 kg and
a radius of gyration of ko = 0.2 m. A
motor supplies a torque M = (400 +
900) N/m, where 0 is in radians, about
the drive shaft at O. Determine the total
work done on the system (in kJ) after
the loading car travels s = 2.0 m. The
mass of the car is 280 kg and initially it
is at rest when s = 0 and 0 = 0°.
Neglect the mass of the attached cable
and the mass of the car's wheels.
30°
M
0.3 m
Chapter 18 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
Ch. 18 - The 80-kg wheel has a radius of gyration about its...Ch. 18 - The uniform 50-lb slender rod is subjected to a...Ch. 18 - The uniform 50-kg slender rod is at rest m the...Ch. 18 - The 50-kg wheel is subjected to a force of 50 N....Ch. 18 - If the uniform 30-kg slender rod starts from rest...Ch. 18 - The 20-kg wheel has a radius of gyration about its...Ch. 18 - At a given instant the body of mass m has an...Ch. 18 - A force of P = 20 N is applied to the cable, which...Ch. 18 - A force of P = 20 N is applied to the cable, which...Ch. 18 - The double pulley consists of two parts that are...
Ch. 18 - The double pulley cons1sts of two parts that are...Ch. 18 - Prob. 9PCh. 18 - The 10-kg uniform slender rod is suspended at rest...Ch. 18 - Prob. 14PCh. 18 - The pendulum consists of a 10-kg uniform disk and...Ch. 18 - The center O of the thin ring of mass m is given...Ch. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 27PCh. 18 - The 10-kg rod AB is pin connected at A and...Ch. 18 - Motor M exerts a constant force of P = 750 Non the...Ch. 18 - The two 2-kg gears A and B are attached to the...Ch. 18 - F187. If the 30-kg disk is released from rest when...Ch. 18 - The 50-kg reel has a radius of gyration about its...Ch. 18 - The 60-kg rod OA is released from rest when = 0....Ch. 18 - Prob. 10FPCh. 18 - The 30-kg rod is released from rest when = 45....Ch. 18 - Prob. 12FPCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - The 40-kg wheel has a radius of gyration about its...Ch. 18 - The assembly consists of two 10-kg bars which are...Ch. 18 - The assembly consists of two 10-kg bars which are...Ch. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - If the 250-lb block is released from rest when the...Ch. 18 - The slender 15-kg bar is initially at rest and...Ch. 18 - The 50-lb wheel has a radius of gyration about its...Ch. 18 - The system consists of 60-lb and 20-lb blocks A...Ch. 18 - The pendulum of the Charpy impact machine has a...Ch. 18 - Prob. 2RPCh. 18 - The drum has a mass of 50 kg and a radius of...Ch. 18 - The spool has a mass of 60 Kg and a radius of...Ch. 18 - Prob. 5RPCh. 18 - At the Instant shown, the 50-lb bar rotates...Ch. 18 - Prob. 7RPCh. 18 - Prob. 8RP
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