1. If I want the 100-lb block to move with a constant acceleration of 5 ft/s² up the slope, what is the tension P needed in the cable? 100 lb 30 30 -0.25
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- *8–60. Each block has a weight of 400 lb. Determine how far the force P can compress the spring until block B slips on block A. What is P for this to occur?A block on an inclined plane at 43 degrees has a weight of 100 lb if fs = 0.50 and fk = 0.30, what force P directed up the plane will move the block with constant speed (a) up the plane (b) down the plane? Show full solution and FBD.1.A person is to be released from rest on a swing pulled away from the vertical by an angle of 20.0°. The two frayed ropes of the swing are 2.75 m long, and will break if the tension in either of them exceeds 355 N. (a) What is the maximum weight the person can have and not break the ropes? (b)If the person is released at an angle greater than 20.0°, does the maximum weight increase, decrease, or stay the same? (c)Solve in Newton Law, Conversation Law, and Work-Kinetic Theorem.
- 1. A truck is weighing 1.4 KN moves up a slope of 15 °. What is the force generated by the engine if the truck is accelerating at a rate of 3 m/s2? Assume the coefficient of friction is μ =0.1.If spring is found to extend 20mm for each 2kg of mass, the defelaction of spring carrying a mass of 10kg is A)200mm B)1m C)0.1m D)10mQ1) Find the force F on the bottom of the tank if : K=1.5 m , H= 6 m, D=5 m.
- Determine the maximum force P that can be applied withoutcausing the two 50-kg crates to move. The coefficient of staticfriction between each crate and the ground is s = 0.25.(Use g = 9.81 m/s2) P =A harness harness cord is made up of 100 strands of rubber strung together into a cable. This cable supports a mass that weighs 2000kg and stretches 0.4m statically. Determine the additional static stretch and the maximum acceleration if a strand of the cable breaksA trailer with a weight of the trailer of m1=2050kg, with a weight of m2=6100 , enters a ramp with a positive slope 2% as shown in the figure.When it first enters the ramp , its speed is v0=72km/h and it travels along the ramp a=345m and its speed is v1=88km/h. Question 1: Total average force generated on the wheels of the tow truck? Question 2: Calculate the average force generated between the trailer and the tow truck?
- A cylinder having a mass of 100 kg is to be supported by the cord which wraps over the pipe. Determine the smallest vertical force F needed to support the load if the cord passes twice over the pipe, β = 540˚. Take μs = 0.2.The crate has a weight of W = 350 lb, and the coefficients of static and kinetic friction are μs = 0.3 and μk = 0.2, respectively. Determine the friction force on the floor if θ = 47.4° and P = 105 lb.A two degrees of freedom mass spring system is fixed at one end, where independent masses can move only in the vertical direction. Considering the system as finite elements, determine the vertical displacement for each mass. Also draw the free body diagram of this system. Use 'X' KN/m as the stiffness value for all the springs and 'Y' Kg as the value for all masses. Where, 'X'= (63) 'Y'= (93)