Solution D1-20 (Figure D1.2 condition 0 S.M. Targ 1989)

Solution D1-20 (Figure D1.2 condition 0 S.M. Targ 1989): A load of mass D, starting to move with an initial speed v0 at point A, moves along a curved pipe ABC located in a vertical plane. Pipe sections can be inclined or horizontal (Fig. D1.0 - D1.9, Table D1). In section AB, in addition to the force of gravity, the load is acted upon by a constant force Q and a resistance force of the medium R, which depends on the speed v of the load and is directed against the movement. The friction of the load on the pipe in section AB is not taken into account. At point B, the load, without changing its speed, moves to the section BC of the pipe, where, in addition to the force of gravity, it is affected by the friction force (friction coefficient of the load on the pipe f = 0.2) and the variable force F, the projection of which Fx on the x axis is given in table. The load is considered as a material point. The distance AB is equal to l, and the time of movement of the load from point A to point B is equal to t1. It is necessary to find the law of cargo movement in the aircraft section, that is, x = f(t), where x = BD.

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Solution D1-20 (Figure D1.2 condition 0 S.M. Targ 1989) is a product that represents a solution to the problem of the movement of a load of mass D along a curved pipe ABC located in a vertical plane. The load begins to move with an initial speed v0 at point A and moves along sections of the pipe, which can be inclined or horizontal. In section AB, in addition to the force of gravity, the load is acted upon by a constant force Q and a resistance force of the medium R, which depends on the speed of the load and is directed against the movement. In the BC section, the load, without changing its speed, moves to the pipe section, where, in addition to the force of gravity, it is acted upon by the friction force and the variable force F, the projection of which Fx on the x axis is given in the table. The coefficient of friction between the load and the pipe is f = 0.2. The load is considered as a material point. The distance AB is equal to l, and the time of movement of the load from point A to point B is equal to t1.

"Solution D1-20 (Figure D1.2 condition 0 S.M. Targ 1989)" contains a detailed description of the conditions of the problem, as well as formulas, tables and graphs necessary to solve this problem. The information is presented in an easy-to-read format, making it easy to find the information you need and quickly familiarize yourself with the material. By purchasing this product in a digital goods store, you receive a high-quality and useful digital product that will help you successfully solve this problem and expand your horizons in the field of physics.

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Solution D1-20 is a mechanics problem that describes the movement of a load of mass m in a curved pipe ABC. In section AB, the load moves under the action of a constant force Q and the resistance force of the medium R, which depends on the speed of the load. At point B, the load moves to the section BC, where it is acted upon by the friction force and the variable force F. To solve the problem, it is necessary to find the law of movement of the load on the section BC, that is, the function x = f(t), where x is the movement of the load along the x axis , and t is the time of movement on the aircraft section.

To solve the problem, it is necessary to use the image data of Figures D1.0 - D1.9 and Table D1, as well as known values ​​of the load mass, initial speed v0, length of section AB (or movement time t1 from point A to point B), friction coefficient f and projections of the variable force Fx onto the x axis.

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