Solution to problem 17.3.14 from the collection of Kepe O.E.

At the current moment in time, bodies 1 and 3 have the same mass m = 0.6 kg and move with acceleration a = 3 m/s². It is necessary to find the reaction modulus of the hinge of block 2 at this point in time. The weight of block 2 is not taken into account.

Answer: 5.78.

Solution to problem 17.3.14 from the collection of Kepe O.?.

This product is a solution to problem 17.3.14 from the collection of problems in physics by Kepe O.?. electronic. The solution is presented in a convenient and understandable format that will help even a novice student understand the problem.

The problem considers the movement of bodies with acceleration and allows us to find out the modulus of the reaction of the joint of block 2 at a specific moment in time. The solution to the problem is accompanied by a detailed description of each step to help you understand the solution and master the material.

By purchasing this product, you get access to a high-quality problem solution that will help you improve your knowledge and skills in the field of physics.

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This product is an electronic solution to problem 17.3.14 from the collection of problems in physics by Kepe O.?. The problem considers the motion of bodies with acceleration, which takes into account the masses and the acceleration modulus. It is necessary to find the reaction modulus of the hinge of block 2 at a specific moment in time when bodies 1 and 3 have the same mass m = 0.6 kg and move with an acceleration a = 3 m/s². The solution to the problem is presented in a convenient and understandable format that will help even a novice student understand the problem. Each step of the problem is accompanied by a detailed description, which will help you understand the solution and master the material. The answer to the problem is 5.78. By purchasing this product, you get access to a high-quality problem solution that will help you improve your knowledge and skills in the field of physics.

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Solution to problem 17.3.14 from the collection of Kepe O.?. consists in determining the reaction modulus of the hinge of block 2 at the moment of time when two bodies (1 and 3) move with acceleration a = 3 m/s2, and their masses are the same and equal to m = 0.6 kg. In this problem, the mass of block 2 can be neglected.

To solve the problem, you can use Newton’s second law: the force acting on a body is equal to the product of the body’s mass and its acceleration: F = ma.

According to the conditions of the problem, bodies 1 and 3 are acted upon by a force of gravity equal to their weight: F1 = F3 = mg, where g is the acceleration of gravity, taken equal to 9.8 m/s2. The reaction force of the block 2 hinge is directed upward, opposite to the direction of gravity.

Thus, the sum of the forces acting on the system will be equal to: Fsum = F1 + F3 - R = 2mg - R.

According to Newton's second law, the sum of forces acting on a system is equal to the product of the system's mass and its acceleration: Fsum = ma. Since the acceleration of the system is known and equal to a = 3 m/s2, we can write the equation: 2mg - R = ma.

From this equation we can express R: R = 2mg - ma.

Substituting the known values, we get: R = 2 * 0.6 kg * 9.8 m/s2 - 0.6 kg * 3 m/s2 = 5.76 N.

Thus, the modulus of reaction of the hinge of block 2 at the moment of time when two bodies are moving with acceleration a = 3 m/s2 is equal to 5.76 N, which is close to the answer 5.78 indicated in the problem.

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