The block slides down an incline. It starts from rest and, after moving 6 ft, strikes a spring (k= 100 lb/in). Determine the maximum deformation of the spring. Coeff fr= 0.20.
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The block slides down an incline. It starts from rest and, after moving 6 ft, strikes a spring (k= 100 lb/in). Determine the maximum deformation of the spring. Coeff fr= 0.20.
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- Q6) The block has a mass of 15kg and rests on the smooth plane. Determine the .unstretched length of the spring k = 300 N/m 0000 0. 3m 50 N+ 0. 4m (2) ylahäi The unstretched length of the spring Lo=0.35m Lo=0.99m Lo=0 29m C IIKhufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m, attached to a 30-kg block in an incline (θ=30°). With the spring initially at equilibrium position, the block was pushed 0.5 meters up the incline by a 50-N external force applied parallel to the path. If the coefficient of kinetic friction is 0.5, determine the: a) normal force (in Newtons) b) work done by the spring (in Joules)Determine the spring constant k4 (N/m) if the extension of the whole system is 1.44 m when a force of 29.86 N is applied. Use k1 - 12.67 N/m, k2 - 11.1 N/m, k3 - 28.39 N/m, and k5 - 33.91 N/m. (Use 2 decimal places for the final answer.) k k3
- Determine the largest force P (to the nearest integer) which can be applied to the cord without causing motion. Blocks A and B have a mass of 8.5 kg and 11.5 kg, respectively. Úse a = 0.45 m, b = 0.55 m, µ (AB)= 0.3, µ (A) = 0.1, g = 9.81 m/s?. DO B. HAB A HA P (to the nearest integer) =0.8m 0.8m, 1.0m /0.&m 0.6m Title The spring has an unstretched length of 0.4m and a stiffness of 200N/m. The 3 kg slider and attached spring are released from rest at A and move in the vertical plane. (a) Compute the change in elastic potential energy from A to B. (b) Compute the change in gravitational potential energy from A to B. (c) Compute the velocity of the slider as it reaches B in the absence of friction.An object with weight W is dragged along a horizontal plane by a force acting along a horizontal plane by a force acting along a rope attached to the object. If the rope makes an angle 0 with the plane, then the magnitude of the force is µW F = µ sin 0 + cos 0 where u is the coefficient of friction a. Find the rate of change of F wrt 0. b. The value of 0 at maximum or minimum value of F.
- The 250-N block rests upon a level plane for which fk = 0.2. It is pulled by force P = 100N inclined at 20o with the horizontal. If the 100-N pull is then removed, find the distance the block will travel. the answer must 3 decimal places.The roller coaster car has a mass of 000 kg, including i passenger. It is released from rest at the top of the hill A. Neglect triction, the mass of the wheels, and the size of the car. Take ha16 m. pa-8 m. hc 12 m. and po-6m. (Figure 1) Figure ▼ NB = Submit Part C he 0 No= μA Value 10f1 Request Answer μÅ Part A Value Determine the minimum height of the hill crest so that the car travels around both inside the loops without leaving the track Express your answer to three significant figures and include the appropriate units. h= What is the normal reaction on the car when the it is at B? Express your answer to three significant figures and include the appropriate units. Submit Value Part B Å Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining → What is the normal reaction on the car when the it is at B Express your answer to three significant figures and include the appropriate units. PASE Units m What is the normal reaction on the car when the it is at C?…If there is n friction in the system, the Lagrange's equation will be based only on kinetic energy and protentional energy only. Select one: O True O False III O
- The top of a ladder weighing 20 kg and 6m long rests against a vertical wall and the foot of the ladder on a horizontal floor. For the wall, if = 0.15, and for the floor, f = O.2 O. How far up the ladder can a man weighing 60 kg go before the ladder begins to slip? Find the value of NB in terms of Y. * 60 Kg B -NB 0.15 kg X 20 kg 60° 0.2 NA NA2. Find the horizontal force P to start the motion of any part of the system of three blocks resting upon one another as shown. The weight of the blocks are W-300 KN, Ws= 100 KN and Wc =200 KN. Between A and B μ=0.30, between C and B, μ =0.20 and between C and the ground, p=0.10. 1 sni brod nog 02.0-4 B C 05.0-4 Solution: tamos quoy worla bre sosia asquar 005 300 en of jells400 N₁-300 F3 N-300- N₂=300 Assuming B and C will not move. F₁ = 300 (0.30) F₁ = 90 kN ne à bns A zelboß 1 P = 90 kN es ensla berb hebnu 02.0- y elin 05.0= q V in Celpris orllanimetsa MX 008 Assuming C will not move: al 1st F2=400 (0.20) = 80 kN OTE Bm ribirte F₂ vica Assuming the three blocks move: F3 = 0.10 (600) F3 = 60 kN P=60 KN Least force is 60 kN.Part A Consider the system in (Figure 1). Figure k = 5 lb/in. B y = x² 1 ft x 1 of 1 Determine the smallest amount the spring at B must be compressed against the 0.2-lb block so that when the block is released from B it slides along the smooth surface and reaches point A. Express your answer in inches to three significant figures. x = A vec Submit Request Answer Provide Feedback ? in. Next >