Fundamentals Of Engineering Thermodynamics
9th Edition
ISBN: 9781119391388
Author: MORAN, Michael J., SHAPIRO, Howard N., Boettner, Daisie D., Bailey, Margaret B.
Publisher: Wiley,
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Topic: Kinetics of Particles: - Forces in dynamic system, Free body diagram, newton's laws of motion,
and equations of motion.
TQ1. The 10-kg block is subjected to the forces shown. In each case, determine its velocity
when t=2s if v 0 when t=0
500 N
F = (201) N
300 N
(b)
TQ2. The 10-kg block is subjected to the forces shown. In each case, determine its velocity at
s-8 m if v = 3 m/s at s=0. Motion occurs to the right.
40 N
F = (2.5 s) N
200 N
30 N
(b)
TQ3. Determine the initial acceleration of the 10-kg smooth collar. The spring has an
unstretched length of 1 m.
1
σ
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TQ9. If motor M exerts a force of F (10t 2 + 100) N
determine the velocity of the 25-kg crate when t
kinetic friction between the crate and the plane are μs
The crate is initially at rest.
on the cable, where t is in seconds,
4s. The coefficients of static and
0.3 and μk = 0.25, respectively.
M
3
TQ10. The spring has a stiffness k = 200 N/m and is unstretched when the 25-kg block is at A.
Determine the acceleration of the block when s = 0.4 m. The contact surface between the
block and the plane is smooth.
0.3 m
F= 100 N
F= 100 N
k = 200 N/m
σ
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Q
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