Luggage A is gently lowered with no initial velocity onto a moving baggage claim belt at Bradley International Airport in Hartford. The coefficient of kinetic friction between the belt and the luggage is k. Draw the free-body diagram (FBD) and associated kinetic diagram (KD) for Luggage A immediately after it contacts the belt. A
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- In a porter governor the mass of the central load is 18 kgand the mass of each ball is 2kg. the top arms (254) mm while the bottom arms are (304) mm long. The friction of the sleeve is 20 N. If the top arms make 45 deg with the axis of rotation in the equilibrium position, find the range of the speed of the governor in that positionMary and her sister are playing with a cardboard box on the neighborhood hill. Mary climbs into the box, the total mass of the box with Mary in it is 115 kg. The box starts at rest at the beginning of the incline. The hill is at an incline of 28 degrees with respect to the horizontal.The static and kinectic friction between the box and hill is 0.4 and 0.2 respectively. Assume the box is sliding downhill. a. What is the magnitude of the acceleration of the box? (same as Problem 3b)b. If the hill is 5m tall, what is the Mary's speed when she reaches the bottom?c. At the bottom of the hill, the ground becomes level, but the coefficients offriction do not change. How far will Mary slide before she comes to a stop?Q5: The man in fig2 pushes on the 70 kg crate with a force of F=150N.Determine the power supplied the man when t-4s.the coefficient of kinetic friction between the floor and the crate Initially the create is at rest and ux = 0.4 F = 150 N Figure 2.
- Problem 1 Luggage A is gently lowered with no initial velocity onto a moving baggage claim belt at Orlando International Airport in Florida. The coefficient of kinetic friction between the belt and the luggage is uk. Draw the free-body diagram (FBD) and associated kinetic diagram (KD) for Luggage A immediately after it contacts the belt. AFor the system shown, the masses of A and B are 55 kg and 135 kg, respectively. The cocfficient of static friction between block B and the surface C is 0.12 and the coefficient of static friction between blocks A and B is 0.10. The coefficient of friction between the rope and the pulley is 0.10. What is the maximum mass M that can be suspended as shown and still maintain equilibrium?For the system shown, the masses of A and B are 55kg and 135kg, respectively. the coefficient of static friction between block B and surface C is 0.12 and the coefficient of static friction between blocks A and B is 0.10. the coefficient of friction between the rope and the pulley is 0.10. What is the tension force in the rope connected to block B if the system is in equillibrium? What is the magnitude of the friction force between block B and the horizontal surface C if the system is in equillibrium? What is the maximum mass that can be suspended as shown and still maintain equillibrium.
- A child starts sledding from rest, going down a 40 m long 7.5° incline, then coasting across a horizontal stretch. The mass of the sled + child is 35 kg, and the coefficient of kinetic friction is 0.060. a. Make force diagrams for the sled + child on both the hill and the horizontal stretch. b. Resolve the weight of the sled + child along and perpendicular to the plane. c. Determine the reaction force on the sled + child. d. Determine the speed of the sled + child at the bottom of the incline. e. How far along the horizontal stretch does the sled + child travel before stopping? f. What is the total time for the ride? g. Determine how much energy that is transferred to thermal energy. h. Determine how much work is done on the sled + child by the gravitational force while the child + sled is moving along the incline. i. By considering the energy of the system and energy transformations, determine the speed of the sled + child at the bottom of the incline. Does your answer agree with part…In a Porter governor, the mass of the central load is 18 kg and the mass of each ball is 2 kg. The toparms are 250 mm while the bottom arms are each 300 mm long. The friction of the sleeve is 14 N. Ifthe top arms make 45° with the axis of rotation in the equilibrium position, find the range of speed ofthe governor in that position.For the system shown, the masses of A and B are 65 kg and 145 kg, respectively. The coefficient of static friction between block B and the surface C is 0.14 and the coefficient of static friction between blocks A and B is 0.10. The coefficient of friction between the rope and the pulley is 0.10. What is the maximum mass M that can be suspended as shown and still maintain equilibrium?
- In the figure shown, the coefficient of kinetic friction between the block and the incline is 0.40. What is the magnitude of the acceleration of the suspended block as it falls? Disregard any pulley mass or friction in the pulley.A 3.5-kg sphere S is being moved in a vertical plane by a robotic arm. When the angle is 35°, the angular velocity of the arm about a horizontal axis through O is 53 deg/s clockwise and its angular acceleration is 173 deg/s² counterclockwise. In addition, the hydraulic element is being shortened at the constant rate of 420 mm/s. Determine the necessary minimum gripping force P if the coefficient of static friction between the sphere and the gripping surfaces is 0.41. Compare P with the minimum gripping force P, required to hold the sphere in static equilibrium in the 35° position. p 1.8 m Answers: P = P₁ = i i $ N N5. Three blocks are connected over two frictionless, massless pulleys by two inextensible, massless cords as shown in the figure. There is friction between block m and the horizontal surface of the table. If the block m, moves downward after being released from rest, then what is the magnitude of the acceleration of the blocks and the magnitude of the tension in the cords in terms of the masses of the blocks m, , and ms, the coefficient of kinetic friction between block my and the table, a. and the acceleration due to gravity, g. Include a force diagram or free-body diagram of the situation.