The 136-kg spool has a radius of gyration about its mass center of ka = 300 mm If the couple moment is applied to the spool and the coefficient of kinetic friction between the spool and the ground is 4 = 0.2, determine the angular acceleration of the spool, the acceleration of G and the tension in the cable. (Eigure 1) Part B Determine the acceleration of G. Express your answer to three significant figures and include the appropriate units. HÀ ? ac = Value Units Submit Request Answer Part C Figure 1 of 1> Determine the tension in the cable. Express your answer to three significant figures and include the appropriate units. 0.4 m. B HẢ ? 0.6 m T = Value Units M = 450 N-m Submit Request Answer

Part A The 200-lb wheel has a radius of gyration of kg = 0.75 ft. The upper wire is subjected to a tension of T = 90 lb. The coefficient of kinetic friction between the wheel and the surface is u = 0.1. (Figure 1) Determine the speed of the center of the wheel in 3 s, starting from rest. Express your answer to three significant figures and include the appropriate units. HẢ vG = Value Units Submit Request Answer Provide Feedback Figure 1 of 1 0.5 ft 1 ft

A tire has a weight of 55 lb and a radius of gyration of kg=0.6 ft. If the coefficients of static and kinetic friction between the tire and plane are µs=0.2 and Hk=0.15, a) Draw the FBD and KD of the tire

A momentum wheel for dynamics class demonstration is show. It is basically a bicycle wheel modified with rim band-weighting, handles, and a pulley for cord startup. The heavy rim band causes the radius of gyration of the 3.1 kg wheel tobe 275 mm. If a steady 32 N pull F is applied to the cord, determien the angular acceleration of the wheel. Neglect bearing friciton.

The 15.5-kg uniform bar is supported by a roller at A. A horizontal force of F = 80 N is applied to the roller. Neglect the weight and the size of the roller. (Figure 1) Figure y L. F = 80 N 2 m 1 of 1 Part A Determine the magnitude of the acceleration of the roller center at the instant the force is applied. Express your answer to three significant figures and include the appropriate units. aд = Submit Part B 0 = O μA Value Submit Request Answer Determine the direction of the acceleration of the roller center at the instant the force is applied, measured counterclockwise from the positive x axis. Express your answer using three significant figures. Units IVE ΑΣΦ 11 | vec Request Answer ? ? O

A large symmetrical drum for drying sand is operated by the geared motor drive shown. If the mass of the sand is 750 kg and an average gear-tooth force of 2.65 kN is supplied by the motor pinion A to the drum gear normal to the contacting surfaces at B, calculate the average offset of the center of mass G of the sand from the vertical centerline. Neglect all friction in the supporting rollers. Assume r = 155 mm, R = 660 mm, 0 = 20° Detail of contact at B Answer: x = i B R →→→ G mm

The 186-kg wheel has a radius of gyration about its center O of ko = 300 mm, and radius r = 0.4 m. When the wheel is subjected to the constant couple moment M = 92 N.m, it starts rolling from rest. Determine the average friction force that the ground applies to the wheel if it has been rolling without slipping. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper Sl unit. Take g = 9.81 m/s². M Your Answer: units Answer

The pipe has a mass of 50 kg and is bong towed behind a truck Egun1) Figure Beview If the angle - 30 determine the acceleration of the truck. The coefficient of kinetic friction between the pipe and the grounds -0.10 Express your answer to three significant figures and include the appropriate units. Value Submit Part Best An Aise delene the tension in the cable Express your answer to three significant figures and include the appropriate units. Submi PA T. 2447.27 Units A CE unds ?

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The 19-kg wheel is rolling under the constant moment of M = 86 N.m. The wheel has radius r = 0.41 m, has mass center at point G, and the radius of gyration is kg = 0.24 m. The coefficients of friction between the wheel and the ground is μ = 0.38 and Mk= = 0.13. If the wheel rolls while slipping, determine the angular acceleration of the wheel (in rad/s2). Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. Take g = 9.81 m/s². M Your Answer: Answer G