Two bodies of masses 10 kg and 15 kg are hung from the ends of an extensible rope passing over a frictionless pulley. If masses of both the bodies are doubled, the acceleration of the system will also be doubled. Select one: O True O False
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- 1. A 25-kg box is attached to two light ropes and is being pulled in a frictionless, horizontal floor. The two forces pulling the box is given by: Fjis 15 N due east, and F,is 10 N due north. A. What are the forces acting on the box? Identify whether contact or noncontact force. B. Identify the action-reaction pairs. C. What is the acceleration of the box?weighs 60 N on Earth. (3). A system consists of a pulley (vertical wheel) that is only allowed to rotate (spin). A cord is passed over the pulley and at each end there is a mass attached to the end of the cord. The mass attached on the left is m, =0.6 kg and at the right the mass is m2 = 0.8 kg. a) Calculate both the Tension in the cord and the acceleration of the system. b) What are the accelerations of both masses, if you were to cut the cord? Neglect the friction between cord and wheel,An object, m1 with a mass of 10.0 kg placed on a frictionless, horizontal table. It is connected to a string that passes over a pulley and then is fastened to a hanging object, m2 with a mass of 14.0 kg. a. The tension in the string is? b. Find the magnitude of the acceleration of the objects
- Two box hang from the ends of a string suspended from a frictionless pulley. The mass on the left is chosen to create a tension of 4 N in the string. The box on the right has a weight of 2 N. What will be the acceleration of the box on the right? Assume the acceleration of gravity is 9.8 m/s?. 4 N 2 Nblock C mass = 99 kg block D mass = 66kg horizontal force (H) = 555N and is applied at block D. Angle = 32.779 degrees note: Ignore friction. Computations must follow D'Alembert's Principle or else the solution is null and void. And answers should be in Newtons or KiloNewtons 1.) Calculate the Normal Force of Contact between blocks D and C. 2.) Determine the Block D Acceleration 3.) Determine the Block C AccelerationThe piston of an internal-combustion engine is connected to its connecting rod with a“wrist pin.” Find the force on the wrist pin if the 0.5-kg piston has an acceleration of2 500 g
- Q1: A mass mis tied to a string and made to move in avertical circle of radius r with constant speed v. For this, caculate the tention in the string at the lowest and highest point of the circle, also findout the minimum speed so that the string never goes slack.2. A trolley of mass 101 kg is to be pulled up smooth incline at 15° to the horizontal with an acceleration of 2.5 m/s2. What force parallel to the incline is required if friction at the wheels is negligible?PROBLEM 4.0 Find the value of Friand Fr2 and the acceleration of each body. P₁ FT2 A 200 N FTI B 300 N P₂
- Qs: Two blocks are connected by a string. Block 1 is on a frictionless surface, while block 2 hangs freely. The string passes over a massless frictionless pulley. Find the acceleration of block 1, if the acceleration of block 2 is equal to 3.8m/s², and the tension in the string. 2.2 Kg 1.4 KgA 60 kgm body has a potential energy if 135 Kcal with respect to a datum plane X and a potential energy of 99 Kcal with respect to a datum planebY. If the local acceleration of gravity is standard, compute the relative position of the plane X relative to plane Y. Reaolve the problem if g=30 fps^2.Q1. m-1 kg m,=4 kg The mechanism set up with m,, m, and weightless pulleys is as shown in the figure. Then, the masses are released. Static and kinetic friction between the inclined plane and m, are 0.6 and 0.5 respectively. What are the accelerations of m, and m,? (g = 10 m / s². Frictions and mass of the pulley are ignored.) Q2. 300 m/s .*........ yatay 100 m/s 320 m x=? A plane is flying horizontally at an altitude of 320 m with 300 m/s speed. It launches its bomb with 100 m/s speed relative to the plane as shown. How many meters away from the castle should the plane launch its bomb to hit the castle. (g=10 m/s², sin370=0.6; cos37°=0.8) Q3. 2 kg The object in the frictionless cone in the figure is making a uniform circular motion. Calculate, a) the normal force that the cone exerts on the object, b) centripetal force applied to the body, c) Find the speed of the object.