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- The coefficients of friction between the block ana the rail are us= 0.25 and uk= 0.20. Given: P2 = 200 N. P1 350 P2 Find the magnitude and direction of the smallest force P1 required to start the block moving up the rail. (You must provide an answer before moving on to the next part.) The magnitude and direction of the smallest force P1 required to start the block moving up the rail is °. N v (Click to select)|%EE l, I1. a T:0Y 1 aiymaatb5m تسجيل A Powetoint Presentation - Adobe acmbor Reader DC G2-bit) File Esit View Sign Window Help Home Tools PowerPrint Present. Sign In Example #4 : The coefficient of friction between the 20KN block A and the 40KN block B of Figure below is 0.40. The coefficient of friction berween block B and the horizontal plane is 0.15. Determine the force P required to cause motion of block A to impend to the right. SOLUTION : There are 2 case for this problem : Case 1 about the force P will cause motion of A to impend to the right alone without moving Block B Case 2 about the force P will cause motion of A to impend to the right with moving Block B with it in same time. تم انضمام علي عصام کاظم حميد إلى الاجتماع. ۳۷ مشارك آخر Salam عبد الوهاب أنتA crate of 60 kg simply stands on the moving cart with constant acceleration a. The height from the center of gravity to the cart is L, and the incline has angle. The coefficient of static friction between the crate and the cart is g = {ms}. Match the following situations to the correct impending motion: if sliding will occur first or if tipping over will occur first? 0.5 m 0.5 m 0 G L = 1.2 m; 0= 7°, μg = 0.29. L = 1.0 m; = 13°, μg = = 0.45. L = 1.5 m; 0.3. 0 = 15, μs = L = 1.5 m; = 15°, µg = 0.5. L = 1.4 m;0= 7°, μl g= 0.4. a 1. Tipping over will occur first. 2. Sliding will occur first.
- The coefficient of static friction under the block a and b are the same. If the block is in the verge of sliding, find the tension at each chord. Assume that the pulley is frictionless.Recall [from Physics]:?? = ???Where:?? - is the frictional force?? - is the normal force? -coefficient of static frictiona. Determine the tensile force (lb) on the cable 1.b. Determine the tensile force (lb) on the cable 2. Plsss show complete handwritten solution. Thanksss!!Q1: In the Figure 1, two forces (P & Q) are acting on the same fixed point A. Find the resultant of these forces and its angle with the horizon by using: (a) Graphical solution. (b) Trigonometric solution. Q = 60 N Figure 1: P 40 N 35 Q2: A block of 15 kg was place on an inclined surface as shown in Figure 2. If the static coefficient of friction between the block and the surface is 0.3, find: (a) the maximum friction force. (b) the equilibrium state of the block. 15 kg Figure 2: 30A 200 lb block is in contact with a plane inclined at 30 degrees to the horizontal. A force P, parallel to and acting up the plane, is applied to the body. If the coefficient of static friction is 0.20, find: a. the value of P to just cause the motion to impend up the plane b. the value of P just to prevent motion down the plane c. the magnitude and direction of the friction force F if P= 80 lbs
- The 500KN block shown is in contact with a 45°incline. The w coefficient of friction is 0.25. Determine the horizontal force P necessary to 1.Just start the block up the 45° incline 2.Just to prevent the motion down the incline. 3.lf P=400KN, what is the amount and direction of friction force?5 Find the Jeast value of P that will just start the system of blocks shown moving to the left. The coefficient of friction under each block is 0,25. 300 N 100 N 30°A mountain camper has problems with his off road vehicle. To hold it in place the camper wraps a rope abound a treen + turns. The coefficient of friction between the rope and the tree is u. = 0.23. The car pulls on its end of the rope with a force of 2250 N. The camper wants to pull on the rope with a force no greater than P = 54 N. P Determine the integer value of n. (Enter the minimum possible integer value of n.)
- What is the maximum height in meters a 51 lb girl can walk up the slide without supporting herself by the rails? The coefficient of static friction between the girls shoes and the slide is 0.98. y Statics and Dynamics R.C. Hibbeler 2010 Pearson Prentice Hall, Inc. 1-48 = x² 3 h -X1- A 60 Ib box is held on a smooth incline by a rope passing over the surface of contact with the coefficients of static friction of 0.25. Find (a) the tension on the rope and (b) the magnitude and location of the normal force exerted on the box by the plane. 40° 15 in. 60 Ib 12 in. 30°A block of mass m = 2.00 kg is sitting stationary on a table. A horizontal force of magnitude F = 5.00 N is applied to the block, as shown. The coefficient of static %3D friction is us = 0.700, and the coefficient of kinetic friction is uK = 0.500. What is the magnitude of the force of friction between the block and the table, in units of newtons? Enter the numerical answer without units. Your answer must be within 1% of the exact answer to receive credit. Us =0.7 m 3D UK = 0.5 2.0 kg %3D F = 5.0 N block at rest wered Answers 5 (with margin: 0.05)