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13-1. Determine the acceleration of the 150-1b block in Figure P13-1 if the coefficient of kinetic friction is 0.4.
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- Problem 3 Compute the moment about point D.A shaft carrying a V-belt pulley and a gear is shown in the attached image. Pulley A with a diameter of d = 150 mm receives power from a motor through a belt with the tensions shown. Belt tension T₁ = 150 N and tension T2 = 600 N. Power is transmitted through the shaft and delivered to gear B, which drives an additional gear (not shown) at a pressure angle of 20 deg relative to the z axis. The gear at B has a pitch diameter of dB = 200 mm. The rotating shaft is simply-supported by frictionless bearings at points O and C. The shaft has a nominal diameter of 25 mm, and all dimensions are in units of millimeters. (a) Determine the value of the force W that acts on gear B. (b) Find the magnitudes of the bearing reaction forces. (c) Draw shear force and bending moment diagrams for both the horizontal and vertical planes. (d) At the point of maximum bending moment, determine the bending stress and the torsional shear stress. (e) At the point of maximum bending moment, determine the principal…The temperature of a block of aluminum increases by 17.5 K. What is this temperature increase in ∘C?
- 5. A thin copper plate is subjected to the three forces shown below. What single force would have an equivalent effect on the plate? 8 m 38 N 4 m 48 N 36 NIn (Figure 1). F-39 lb. Figure 60 F-25 lb 1 of 1 Part A Determine the magnitude of the projection of the force F₁ along the line of action of F₂. Express your answer in pounds to three significant figures. VAXO I vec F12= Submit Previous Answers Request Answer x Incorrect; Try Again; 5 attempts remaining Provide Feedback ? lb Next >>A coal-burning steam locomotive heats steam to 180 degrees Celsius and exhausts it at 100 degrees Celsius. During 1 second of operation, it consumes 500 million J of energy from the burning coal. According to Table 1 in the picture, how much work can be obtained from this locomotive during 1 second of operation under ideal conditions (no friction or other imperfections)?
- The device weighs 200 kg and four parallel steel springs are used as vibration dampers. The frequency of the vibration produced by the device (i.e. the frequency of the force) is 100 Hz. The displacement of the vibration (amplitude) must not exceed 0.01. What is the spring constant of one spring to be? Give the answer in kN / m to one decimal place. The spring constants of parallel springs add up.In (Figure 1), F = 100 lb. Follow the sign convention. Figure لاشات 800 lb 1.5 ft 1.5 ft C 30P 3ft 2 ft 41 ft 7 30⁰ 600 lb 3 ft 1 of 1 Part A Determine the normal force acting at point C. Express your answer in pounds to three significant figures. ► View Available Hint(s) 195| ΑΣΦ 41 | vec Ng = Submit Part B X Incorrect; Try Again; 4 attempts remaining - 640 Previous Answers Submit Determine the shear force acting at point C. Express your answer in pounds to three significant figures. ► View Available Hint(s) Vc = 383 Part C 15. ΑΣΦ AΣo↓ vec ^ Previous Answers X Incorrect; Try Again; 5 attempts remaining B ? P ? lb lbAn electric motor is used to drive the shaft of a small water pump. During a performance test, the torque on the motor shaft is found to be 5.886 N•m when the motor is drawing 763.54 W of electrical power. What is the rotational speed of the shaft in rpm?