1) The uniform dresser has a weight of 90 lb and rests on a tile floor...
1) The uniform dresser has a weight of 90 lb and rests on a tile floor for which us = 0.25. If the man pushes on it in the direction = 30° determine the smallest magnitude of force F needed to move the dresser. F Also, if the man has a weight of 150 lb, determine the smallest coefficient of static friction between his shoes and the floor so that he does not slip. Draw a complete free - body...
نقطتان (2) The ladder has a uniform weight of 80 lb and rests against the smooth wall at B. If the coefficient of static friction at A is uA = 0.25, Determine (a) the reaction in B 15 ft إجابتك نقطة واحدة b) friction force at A) إجابتك نقطتان (2) if the ladder will slip YES No
The uniform 20 lb ladder rests on the rough floor at A for which the coefficient o static friction is mu_s = 0.8 and against the smooth wall at B. A horizontal for P is applied at the center of the ladder as shown. Sketch a Free Body Diagram of the ladder. Determine the minimum force required to get the ladder to move and state if the ladder slides or tips about point A.
The ladder has a uniform weight of 80 lblb and rests against the wall at B. If the coefficient of static friction at A and B is μμmu = 0.41, determine the smallest angle θ at which the ladder will not slip. Note: friction is on both the wall and the ground.
solve some parts of question Question 1 (40 points) G 10 ft The weight of the man is 180 lb. As he climbs the ladder, he stops at the position shown on the figure. The friction at A is He = 0.4. The weight of the ladder is neglected. (i) 10 points: Draw the free body diagram. It is assumed that the contact at B is smooth. (ii) 10 points: State the equation of equilibrium A - 3ft - I...
100 lb 3" Question #2 (4 pts.): The bracket at left has a uniform thickness of 2 inches, and unit weight of 1.75 lb/in3. The support of 0.35 with the floor, while the roller support at point B is frictionless. Determine the reactions in its supports at points A and B and whether the support at A will slip. at point A has a coefficient of friction 100 lb 3" Question #2 (4 pts.): The bracket at left has a...
The uniform crate has a mass of 50 kg and rests on the cart having an inclined surface. Determine the smallest acceleration that will cause the crate either tip or slip relative to the cart. What is the magnitude of this acceleration? The coefficient of static friction between the crate and the cart is mu_s = 0.5.
The uniform 14-kg ladder rests on the rough floor for which the coefficient of static friction is = 0.5 and against the smooth wall at B.(Figure 1) Part A Determine the horizontal force P the man must exert on the ladder in order to cause it to move Express your answer with the appropriate units. PÅ RO? P= Value N Submit Previous Answers Request Answer X Incorrect; Try Again: 5 attempts remaining < Return to Assignment Provide Feedback Figure
The collars A and B weight 20 lb and 30 lb, respectively. Neglect the friction between collar B and the bar. The coefficient of static friction between collar A and the bar is 0.6. Assuming equilibrium, determine the friction force exerted on collar A. Is the coefficient of static friction at A large enough for the system to remain in equilibrium? Justify your answer. A 35-kg disk rests on an inclined surface for which mu s =0.2. Determine the maximum...
7) (4 points) The rough, uniform 7-m pole has a mass of 100 kg and is supported by the rough floor at "B" and on the rough corner of a wall at "A" as shown. We wish to calculate the smallest force "P" required to move the bottom of the pole to the left. The coefficient of static friction at each contact point is. щ,-0.40 3 m 4 m As a first step in the analysis, you would start with...