R17-3. The car has a mass of 1.50 Mg and a mass center at G. Determine the maximum acceleration it can have if power is supplied only to the rear wheels. Neglect the mass of the wheels in the calculation, and assume that the wheels that do not receive power are free to roll. Also, assume that slipping of the powered wheels occurs, where the coefficient of kinetic friction is µi =0.3. 04 m 1.6 m 1.3 m ·
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- The handcart has a mass of 200 kg and center of mass at G. Determine the largest magnitude of force P that can be applied to the handle so that the wheels at A or B continue to maintain contact with the ground. Neglect the mass of the wheels. The normal reaction at Ais The normal reaction at B is The acceleration at Gis The greatest value of Pis #KN KN B Ge -0.3m-02 m-04 m- O 0.5 m AThe 16-kg wheel is rolling under the constant moment of M = 60 N-m. The wheel has radius r= 0.50 m, has mass center at point G, and the radius of gyration is kg = 0.23 m. The coefficients of friction between the wheel and the ground is ls = 0.28 and Uk = 0.14. If the wheel rolls without slipping, determine the angular acceleration of the wheel (in rad/s?). 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/s?. MIf the coefficient of static friction between the 50-lb roller and the ground is p, = 0.25, determine the maximum force P that can be applicd to the handle, so that roller rolls on the ground without slipping. Also, find the angular acceleration of the roller. Assume the roller to be a uniform cylinder. 15 ft 30
- 02 A small object A is held against the vertical side of the rotating cylinderical container of raidus r due to cntrifugal action. If the coefficient of a static friction between the object and the conteiner is determine the expression for the minimume rotational rate oo of the container which will keep the object from slipping down the vertical side. B ---The car has a mass of 1.50 Mg and a mass center at G. Power is supplied only to the rear wheels. Neglect the mass of the wheels in the calculation, and assume that the wheels that do not receive power are free to roll. Also, assume that slipping of the powered wheels occurs, where the coefficient of kinetic friction is μ = 0.32. (Figure 1) Figure B -0.4 m 1.6 m -1.3 m A Part A Determine the maximum acceleration the car can have. Express your answer to three significant figures and include the appropriate units. (ac) max = Value Submit Provide Feedback Ä Request Answer Units ? Next >The 10-kg wheel is rolling under the constant moment of M = 97 N-m. The wheel has radius r= 0.59 m, has mass center at point G, and the radius of gyration is kg = 0.27 m. The coefficients of friction between the wheel and the ground is ls = 0.25 and Hk = 0.14. If the wheel rolls while slipping, determine the magnitude of the linear acceleration of point G (in m/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/s?. M G
- The 1650-kg car has its mass center at G. Calculate the normal forces NA and Ng between the road and the front and rear pairs of wheels under conditions of maximum acceleration. The mass of the wheels is small compared with the total mass of the car. The coefficient of static friction between the road and the rear driving wheels is 0.80. What is Na in kN G 400 mm B 1200 1200 mm mmA 15-kg uniform disk is placed in contact with the ground and a constant couple moment M = 32 N.m is applied to it as shown. The weight of link AB is negligible. If the coefficient of kinetic friction at D is 0.3, find the angular acceleration of the disk. write the answer in rad/s? but do not write the units. R = 0.25 m A Taylor Answer:If the coefficient of static friction between the 50-lb roller and the ground is u, = 0.25, determine the maximum force P that can be applied to the handle, so that roller rolls on the ground without slipping. Also, find the angular acceleration of the roller. Assume the roller to be a uniform cylinder.
- 6/15 The 1650-kg car has its mass center at G. Calculate the normal forces NA and NB between the road and the front and rear pairs of wheels under conditions of maximum acceleration. The mass of the wheels is small compared with the total mass of the car. The coefficient of static friction between the road and the rear driving wheels is 0.8. Ans. NA = 6.85 kN, NB = 9.34 kN G A 400 mm B 1200 1200 mm mm Problem 6/15The 30-kg wheel is rolling under the constant moment of M = 84 N.m. The wheel has radius r = 0.48 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 = 0.39 and k=0.10. If the wheel rolls without 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 1The 13-kg wheel is rolling under the constant moment of M= 89 N·m. The wheel has radius r= 0.47 m, has mass center at point G, and the radius of gyration is kG = 0.28 m. The coefficients of friction between the wheel and the ground is ls = 0.26 and uk = 0.15. 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