18-58. The slender 6-kg bar AB is horizontal and at rest and the spring is unstretched. Determine the stiffness k of the spring so that the motion of the bar is momentarily stopped when it has rotated clockwise 90° after being released. 1.5 m 2 m ww
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A: Here, Mass of the disc = m Radius of the disk = a Angular velocity of the disc = ω Velocity of point…
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Q: 17-43. Determine the acceleration of the 150-lb cabinet and the normal reaction under the legs A and…
A: Weight of the cabinet (W) = 150 lb P = 35 lb the free body diagram of the cabinet is shown below…
Q: Q3/. The automobile has a mass of 2 Mg and center of mass at G. Determine the towing force F…
A: ∑Fx=0FA-F cos 60°=0----1∑Fy=0NA+NB+F sin 60°-2000(9.81)=0----2∑MB=0F cos 60°×0.2-F sin…
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Q: 18-54 The slender 6 kg bar AB is horizontal and at rest and the spring is unstretched. Determine the…
A: Assumptions self wieight of spring is neglected Given figure length of the bar AB = 2m Free…
Q: 18-58. The slender 6-kg bar AB is horizontal and at rest and the spring is unstretched. Determine…
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Q: *17-88. The 100-kg pendulum has a center of mass at G and a radius of gyration about G of kg=250 mm.…
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Q: *17-32. A force of P = 300 N is applied to the 60-kg cart. Determine the reactions at both the…
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A: Apply the Newton law of motion just after the rope break.
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Q: This is a Dynamics question. Answer: FA = (3/2)*mg
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Q: The 20 kg block is suppor naving the stiffness show stretch of spring AB, S(AC 0.4 m kac 1.5 KN/m
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Q: *17-32. A force of P = 300 N is applied to the 60-kg cart. Determine the reactions at both the…
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- The homogeneous box has mass m. The magnitude of force Pis slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. P А 30° d = 0.40 B 2.2 d Answer: P = i mgThe homogeneous box has mass m. The magnitude of force P is slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. A B Answer: P = 32° P 1.5 d C mg μs = 0.43The homogeneous box has mass m. The magnitude of force P is slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. P А 36° d He = 0.50 2.1 d Answer: P = i mg
- - The unifom bar OC of lmgth L md mass (m) pivots freely about a horizontal axis through O. If the spring of modulusk is unstretched when C is coincident with A, detennine the tension T roquired to hold the bar in the position shown. The diameter of the small pulley at D| is negligible. L/2 L/2The homogeneous box has mass m. The magnitude of force P is slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. A 26° d He= 0.53 B 1.6 d Answer: P = i mgThe winding drun Dis drawing in the cable at an accelerated rate of 4 mv' Determine the cable tension if the suspended crate has a mass of 609 kg
- 3-18. If the spring DB has an unstretched length of 2 m, determine the stiffness of the spring to hold the 40-kg crate in the position shown. 3-19. Determine the unstretched length of DB to hold the 40-kg crate in the position shown. Take k = 180 N/m. %3D -2 m- 3 m В 2 m www AThe wall-mounted 3kg light fixture has its mass centre at G. Determine the vector reactions at A. -10 mm 100 mm 200 mm 230 mm If this vector reaction force can be written as R, = Ri + Rmj, in newtons, determine the components of the reaction force R and R- Choose.. + Rby Choose... RhzThe homogeneous box has mass m. The magnitude of force Pis slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. P 30° Ho= 0.40 B 2.2 d Answer: P = i mg
- A.The bar of negligible weight is supported by two springs, each having a stiffness k = 98 N/m. If the springs are originally unstretched, and the force is vertical as shown, determine the angle the bar makes with the horizontal, when the 31-N force is applied to the bar. B.Determine the stiffness k of each spring so that the 32-N force causes the bar to tip = 13.6° when the force is applied. Originally the bar is horizontal and the springs are unstretched. Neglect the weight of the bar.The homogeneous box has mass m. The magnitude of force Pis slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. A 33° = 0.40 B 2.0 dDetermine the force Prequired to maintain the 180-kg engine in the position for which = 39º. The diameter of the pulley at Bis negligible. Answer: P=₁ 3.0 m 3.0 m 180 kg N