E 1.5 - 8 E 1.5 + 1 2 3. Derive the expression for the torque required in Gear 1 to maintain equilibrium if the weight of the triangle is t. Friction and weight of string is negligible
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Hi! Help me get the required weight of the triangle to make the Gear 1 in equilibrium.
NOTE: Units is in cm.
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- The coeffient of static friction between the uniform bar AB of weight W and the ground is 0.45. Find the smallest angle and the corresponding force P that would initiate simultaneous tipping and sliding of the bar.The force P applied to the brake handle enables the band brake to reduce the angular speed of a rotating drum. If the tensile strength of the band is 3800 lb, find the maximum safe value of P and the corresponding braking torque acting on the drum. Assume that the drum is rotating clockwise.The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016, determine the force F required to advance the bar at a constant speed.
- The bar ABC is supported by three identical, ideal springs. Note that the springs are always vertical because the collars to which they are attached are free to slide on the horizontal rail. Find the angle at equilibrium if W = kL. Neglect the weight of the bar.The block of weight W = 10 kN is pulled by the force P inclined at the angle = 15 to the horizontal. Find the smallest force P (in kN, round-off to 2 decimal places) that would cause impending sliding of the block. The angle of static friction between the block and the ground is = 15.The car shown in the figure below has a mass of 1673 kg. The coefficient of static friction between the rubber tires and the pavement is 0.6. Determine the maximum incline e [degrees] that the car can drive up if it has rear-wheel drive. 0.85 m 1.2 m 1.7 m Answer: 18.87 Calculate the normal reaction force at the rear wheels for the condition of rear-wheel drive in N. Answer:
- The crate has a weight of 490 lb and a center of gravity at G rests on the floor for which the coefficient of static friction is equal to 0.3. If the force P = 300 lb is applied as shown in the figure below. The static friction force developed between the crate and the ground is. P. -2 ft2 ft- 4 ft 3 ft Figure 1 Select one: O a. 201-lb Ob. 300-lb OC. 240-lb Od.610 lb FUJTSUFor the same question, the Driving force (pressing force) of the Nut will be measured with the Torque wrench. While tightening the nut, the contact surface rubs against the fixed surfaces. Accordingly, how much MOMENT do we need to read from the Torque wrench in order to create a force of Fçak=1101 kgf? (Given: Screw pitch M30, Root diameter d1=25.8 mm) Outer diameter of the friction surface under the nut D42 mmFriction coefficient μ=0.62. A square threaded screw of mean diameter 25 mm and pitch of thread 6 mm is utilised to lift a weight of 10 kN by a horizontal force applied at the circumference of the screw. Find the magnitude of the [Ans. 966 N] force if the coefficient of friction between the nut and screw is 0.02. A bolt with a squore threaded screw has mean diameter of 25 mm and a nitch of 23 mm It carries an
- Q3/ A screw-jack is used to lft a load of 4 kN. The screw of the screw-jack is square threaded with two threads to 1 cm. If the co-efficient of friction between the nut and screw is 0,095 and outer diameter of screw s 6 cm, find the force required atthe end of the handle of length 50 cm to ift the load. (20 M)The car shown in the figure below has a mass of 1673 kg. The coefficient of static friction between the rubber tires and the pavement is 0.6. Determine the maximum incline e [degrees] that the car can drive up if it has rear-wheel drive. 0.85 m (1.2 m 1.7 m13 cm 50 cm 2. The disk weighs 220 N and the bar weighs 110 N. The coefficients of friction between the disk and the