Find the least value of P required to cause the system of blocks shown to have impending motion to the left. The coefficient of friction under each block is 0.20. P α 50kN 15kN 30%
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- A 28.0-kg block is connected to an empty 3.00-kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.41 and the coefficient of kinetic friction between the table and the block is 0.30. Sand is gradually added to the bucket until the system just begins to move. Ignore mass of cord. Calculate the acceleration of the system. Express your answer to two significant figures and include the appropriate units.1 2 In a pulley mass experiment, you have two blocks of masses M¸ and M are connected with an ideal string that passes over a massless and frictionless pulley. You noticed that after you releases the system, M, mass accelerates rightward. Now your goal is to make the system move with constant speed. Determine the mass of m that can be placed over M, with which the system moves with constant speed. Assume the coefficient of friction between table and block 1 1 is µ. M₁ M₂Blocks A and B of mass 14 kg and 8 kg respectively, are placed on the inclined plane and released. The coefficients of kinetic friction between the blocks and the inclined plane are μA = 0.2 and μB = 0.3. Neglect the mass of the link. (Figure 1) Figure A B 30° 1 of 1 Part A Determine the magnitude of the force developed in the link. Express your answer to three significant figures and include the appropriate units. F = Submit μA Value Provide Feedback Request Answer Units B) ?
- 0.00% Correct! Problem 3: Block B is set on the wedge A and released from rest. Assume all surfaces of contact are smooth (both between A and B, and between A and the supporting surface C). Take mµ = 36 kg, mß = 6 kg, and 0 - 45⁰. a A ↑ MA MB OBIA g=9.81m/s² Your Answer: The acceleration of B with respect to A is given by aß/A: 7.537 m/s² Correct Answer: The acceleration of B with respect to A is given by aB/A: 7.47E+000 m/s²Consider a tube and a roller shown in (Figure 1). The tube E has a mass of 105 kg and the roller D has a mass of 130 kg. The force acts parallel to the plane, and the coefficients of static friction at the contacting surfaces are HA=0.3, μB = 0.25, and c = 0.4. The roller and tube each have a radius of 150 mm. Figure 1 of 1 30° E Part A Determine the minimum force P needed to push the tube E up the incline. Express your answer to three significant figures and include the appropriate units. μA P = 489 N Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Provide Feedback550 ib In the figure shown, compute the minimum value of e so that there is impending motion of the block. The coefficient of friction for all contact surface is u= 0.20. Neglect the weight of the wedge. O =
- A 28.0-kg block is connected to an empty 2.26-kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.48 and the coefficient of kinetic friction between the table and the block is 0.25. Sand is gradually added to the bucket until the system just begins to move. Ignore the mass of the cord. Calculate the mass of sand added to the bucket. Express your answer to two significant figures and include the appropriate units. m= _______ units Calculate the acceleration of the system. Express your answer to two significant figures and include the appropriate units. a= _________ unitsA and B machine parts which are have m-5 kg mass each are connected. The rod dimensions are 253 mm for OA and 250 mm for rod AB. If A is released from rest at this position, please calculate its velocity VA when it crosses red point in the centerline. Friction is neglected. 60° AA block of mass 500 g is attached to a horizontal spring, whose force constant is 25.0 N/m. The block is undergoing simple harmonic motion with an amplitude of 6.00 cm . At t = 0 the block is 4.00 cm to the left of its equilibrium position and is moving to the right. At what time tį will it first reach the limit of its motion to the right?
- O as shown A block of mass m enters a rough surface at x = in the figure with an initial speed of vo. Coefficient of kinetic friction in this region varies as Hx How can magnitude of the acceleration of the block be expressed as a function of x? bx where b is a constant. y vo X-0 Seçtiğiniz cevabın işaretlendiğini görene kadar bekleyiniz 5,00 Puan a = 2bgx = bgx a = 2gx a = gx a = 2bxents Once I went skiing. I was at the bottom of a snow ramp with a speed of 14.0 m/s. Assuming that the coefficient of friction between the snow and the skis was 0.2 determine my speed at the top of the ramp. The angle theta with the horizontal was 25°. The rise of the snow ramp was h=3.5 meters high. h Skier Met < Previous OL 1After the block in Fig. P-1405 has moved 10 ft from rest, the constant force P is removed. Find the velocity of the block when it returns to its initial position. Ans. v = 21.2 ft/sec