Solution D1-28 (Figure D1.2 condition 8 S.M. Targ 1989)

Problem D1-28 (Figure D1.2 condition 8 S.M. Targ 1989) is as follows: there is a load D of mass m that moves in a curved pipe ABC, located in a vertical plane and having inclined and horizontal sections (Figure 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 (its direction is indicated in the figures) and a resistance force of the medium R, depending on the speed v of the load (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 acted upon 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 given in the table. It is required to find the law of movement of cargo on the section BC, that is, x = f(t), where x = BD, considering the cargo to be a material point and knowing the distance AB = l or time t1 of movement of the cargo from point A to point B.

The digital product “Solution D1-28 (Figure D1.2 condition 8 S.M. Targ 1989)” is a solution to a physical problem that allows you to determine the law of motion of a load in a curved pipe, taking into account all the forces acting on it. The solution is presented in a beautifully designed HTML format, which makes it easier to understand and allows you to quickly find the necessary information. The product contains all the necessary data and formulas for calculating the law of cargo movement on the aircraft section, as well as tables and figures that help to understand the conditions of the problem. Solution D1-28 is an indispensable tool for students and teachers studying physics and mechanics, as well as for anyone interested in this field of science.

Solution D1-28 (Figure D1.2 condition 8 S.M. Targ 1989) is a digital product, which is a calculation algorithm for determining the law of movement of a load in a curved pipe, taking into account all the forces acting on it. The solution contains all the necessary data and formulas for calculating the law of cargo movement on the aircraft section, as well as tables and figures that help to understand the conditions of the problem.

Problem D1-28 is that a load D of mass m moves in a curved pipe ABC, which is located in a vertical plane and has inclined and horizontal sections. 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. 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 acted upon by the friction force and the variable force F specified in the table. The friction of the load on the pipe in section AB is not taken into account.

The D1-28 solution is presented in a beautifully designed HTML format, which makes it easier to understand and allows you to quickly find the necessary information. The solution is an indispensable tool for students and teachers studying physics and mechanics, as well as for anyone interested in this field of science.

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Solution D1-28 is a problem from mechanics that describes the movement of a load of mass m, the initial speed of which is v0. The load moves in a curved pipe ABC, which is located in a vertical plane. 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. At point B, the load passes to section BC of the pipe, 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.

To solve the problem, it is necessary to find the law of movement of the load on the aircraft section, i.e. dependence of the x coordinate of the load on time t, where x = BD. To do this, it is necessary to use the equations of load motion and the laws of dynamics.

It is known that in the BC section, in addition to the force of gravity, the load is affected 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 also known: f = 0.2.

To solve the problem, it is necessary to consider two cases: when the load moves along an inclined pipe and when the load moves along a horizontal pipe. For each case, it is necessary to write down the equations of motion of the load and solve them.

As a result of solving the problem, the law of cargo movement in the aircraft section will be obtained, i.e. dependence of the x coordinate of the load on time t, where x = BD.

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