3) The 150-kg carriage has an initial velocity of 3m/s down the incline at A, when a constant force of 550 N is applied to the hoisting cable as shown. Calculate the velocity of the carriage when it reaches B. Neglect the frictional forces and masses of the pulleys. 550 N A-3 m/s 150 kg 3m 12
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- 21. A person pulls themselves upward using the bucket-pulley apparatus shown. If a force is applied that is 22% greater than that required to maintain a static position, what will their acceleration be? The mass of the person plus the bucket is m. (a) 1.22g (d) 1.22mg (b) g/1.22 (e) 0.22g (c) mg/0.224) PULLEY PROBLEM 1: ATWOOD'S MACHINE Two blocks, A and B, (ma = 3.5 kg and me=2.0 kg) are attached by a light string which is placed over a frictionless pulley as shown below. The blocks are released from rest as shown below. Find: a) the acceleration of the blocks b) the tension in the string (Ans: a) 2.7 m/s, b) 25 N) AQuestion 19 A cat experiences an upward force of 9N, while it is sleeping inside an elevator. What is the magnitude and direction of the force needed to keep the cat in equilibrium? O 3N upward O 9N downward O 9N upward O 9.8N downward
- Reference the Picture Assuming M1 and M2 Stay on the ramps, how long will it take M3 to reach the ground?m A person is pushing a wooden crate of mass mo = 20 kg at a constant speed vo = 1.2– for Ax = 3 m along a rough horizontal floor that has a coefficient of friction µk = .4.What happens to the force on the rope A-C as the weight changes? The magnitude stays the same and the angle stays the same. The magnitude decreases and theta changes. The magnitude increases and the angle stays the same. The magnitude stays the same and the angle changes.
- 5. In a carnival ride called the Giant Swing, a seat is connected to two cables, one of which is horizontal (see figure). The seat swings in a horizontal circle with a frequency of 18.0 rev/min. If the seat weighs 205 N and an 655-N person is sitting in it, find the tension in each cable. 40.0⁰ -7.50 m- >8. Two blocks joined with a rope that runs over a pulley. The mass m2 is 6 kg and the incline is 30. The coefficient of static friction between m1 and inclined plan is 0.24. Determine the largest mass m1 such that both masses remains at rest. lu 30°The crate is being pulled. coefficient of friction between ramp and floor non-sliding=0.300 sliding=0.250 0.450 m VIZUA 50 kg 0.750 m 50° Calculate for the highest value of force that can be applied to the crate without causing it to tip over?
- 3.) A 200 g toy call rolls down an inclined plane with angle 50°. Determine the acceleration of the car. How far would the car travel in 4 s?2) A bucket of water is suspended at the end of a rope wrapped around a pulley. The pulley is pivoted on a frictionless axle passing through its center. The axle is attached to the ceiling. The bucket is released from rest and falls a distance of H. The inertia of the pulley is I = ½ MR?. M a. On the diagram above, show all the forces applied on the bucket and 'R pulley. b. Determine the linear acceleration of the bucket. c. Determine the angular acceleration, a of the pulley. d. Determine the tension force in the rope. m e. Determine the speed of the bucket at the end of distance H. f. Determine the force exerted on the pulley by the axle.5.) Please help with equation, gravity is g=32.2 ft/sec^2 or g=9.81 m/sec^2