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<HW-07: Chapter 17: Planar kinetics of a rigid body: Force and acceleration. Problem 5 The spool has a mass of 90 kg and a radius of gyration $k_g = 0.3$ m. Assume no slipping in point A. (Figure 1) Figure Part A If the coefficients of static and kinetic friction at A are $\mu_s = 0.2$ and $\mu_k = 0.15$, respectively, determine the angular acceleration of the spool if $P = 630$ N. Express your answer to three significant figures and include the appropriate units. $\alpha = 1.1556 \frac{rad}{s^2}$

          <HW-07: Chapter 17: Planar kinetics of a rigid body: Force and acceleration.
Problem 5
The spool has a mass of 90 kg and a radius of gyration $k_g = 0.3$ m. Assume no slipping in point A.
(Figure 1)
Figure
Part A
If the coefficients of static and kinetic friction at A are $\mu_s = 0.2$ and $\mu_k = 0.15$, respectively, determine the angular
acceleration of the spool if $P = 630$ N.
Express your answer to three significant figures and include the appropriate units.
$\alpha = 1.1556 \frac{rad}{s^2}$

<HW-07: Chapter 17: Planar kinetics of a rigid body: Force and acceleration.
Problem 5
The spool has a mass of 90 kg and a radius of gyration kg = 0.3 m. Assume no slipping in point A.
(Figure 1)
Figure
Part A
If the coefficients of static and kinetic friction at A are = 0.2 and = 0.15, respectively, determine the angular
acceleration of the spool if P = 630 N.
Express your answer to three significant figures and include the appropriate units.
α = 1.1556 (rad)/(s^2)

Added by Melanie H.

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