A body of weight 150N rests on an inclined plane as shown in figure 5. What is magnitude of force P to hold the body from sliding down (take u-0.3). 10 Figure5 36N O 50N O 27N 40N
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- .15 A hitch-mounted bicycle rack is designed to carry up to four 30-lb bikes mounted on and strapped to two arms Gil (sec bike loads in the figure part a) The rack is attached to the vehicle at A and is assumed to be like a cant silkier beam A BCDGII (figure part b) The light of fixed segment AB is U = 10 lb. centered 9 in. from A (see figure part b) and the rest of the rack highs W2 = 40 lb. centered 19 in. from A. Segment ABCDG is a steel tube o(2 X 2 in. with a thickness I = 118 in. Segment BCDGII pivots about a bolt at B with a diameter d1 = 0.25 in. to allow access to the rear of the vehicle without removing the hitch rack. When in use, the rack is secured in an upright posit ion by a pin C(diameter o( pin d, = 5116 in.) (see phoo and figure part C). The of returning effect of the bikes on the rack is resisted by a force couple F h at BC. (a) Find the support reactions at A for the fully loaded rack. (b) Find forces in the bolt at B and the pin at C. (c) Find average shear stresses in both the bolt at Band the pin at C. (d) Find average bearing stresses o, in the bolt at B and the pin at C.Two weights are connectedby a very light, flexible cord that passesover an 80.0 N frictionless pulley of radius0.300 m. The pulley is a solid uniformdisk and is supported by a hookconnected to the ceiling (Fig.).What force does the ceiling exert on thehook?A woman is pushing a load in a wheelbarrow, as shown in the Figure 1.1. The combined mass of the wheelbarrow and the load is 110kg, with a center of gravity 0.25 m behind the axle. The woman supportsthe wheelbarrow at the handles, 1.1m behind the axle. a. What is the force required to support the wheelbarrow? b. What fraction of the weight of the wheelbarrow and the load does this force represent?
- A 25kg wooden plate is held in place by two strings attached to the ceiling and the wall. The string attached to the ceiling makes an angle 40o with the horizontal and the string attached to the wall makes 90o with the wall. Determine the force in each string (DONT ANSWER THIS PROBLEM). ANSWER ONLY THE PROBLEM IN THE ATTCHED IMAGE, COMPLETE SOLUTION PLEASE.Two solid blocks resting on a smooth plane are connected by a string as shown in Figure 13-39. Determine the maximum force P that can be applied to the 8 block if the maximum strength oof the string is 0.5 lb. Consider the blocks as particles. Answer= 2.35 lbIllustrate the free body diagram also
- A 15,000 N crane pivots around a friction-free axle at its base and is supported by a cable making a 25∘ angle with the crane (Figure 1). The crane is 16 m long and is not uniform, its center of gravity being 7.0 m from the axle as measured along the crane. The cable is attached 3.0 m from the upper end of the crane. 1. When the crane is raised to 55∘ above the horizontal holding an 11,000 N pallet of bricks by a 2.2 m very light cord, find the tension in the cable. 2. Find the horizontal component of the force that the axle exerts on the crane.Your engineering firm is asked to specify the maximum load for theelevators in a new building. Each elevator has a mass 490 kg when empty and maximumacceleration 2.24 m/s2. The elevator cables can withstand a maximum tension of 19.5 kN beforebreaking. For safety, you need to ensure that the tension never exceeds two-thirds of that value.What is the maximum load that the elevator can safely carry? How many70-kg people is that?Briefly but clearly explain the reasoning for your choice of the sign of the acceleration.First it’s the information the screenshot is the question based on the information Typed!!! A 22 m boom of weight 540 N and uniform density is pivoted on one end and supported by a cable at the three- quarter point 16.5 m from the pívot. The boom hangs at angle 50 degrees above the horizontal, and the cable is perpendicular to the boom. An object of weight 2207 N hangs on another cable attached to the boom’s free end.
- Physics for Engineering A uniform bar 3.00 m long is held by ropes at the ends making angle 60.0 and 30.0, respectively, with the horizontal. A weight of 200 N is hung 0.500 m from the left end where the 60.0 rope is attached. Find the tension in the ropes (T1 & T2) and the weight (W) of the bar. (Hint: Formulate three equations for the three unknowns, 2 equations for the 1st condition and 1 equation for the 2nd condition.)A cylinder rests on a bar and a wall in the way indicated in the figure. The cylinder weighs 500 kgf and the bar 100 kgf. If all surfaces are smooth, determine the reactions at supports A and B of the bar.ANSWER ONLY THE PROBLEM IN THE ATTCHED IMAGE A 25kg wooden plate is held in place by two strings attached to the ceiling and the wall. The string attached to the ceiling makes an angle 40o with the horizontal and the string attached to the wall makes 90o with the wall. Determine the force in each string. (DONT ANSWER THIS PROBLEM)