Question

вес тела находящегося в движумся вверх лифте, увеличивается в 3 раза по сравнению с весом в покоящемся лифте. вычислите модуль ускорение лифта (g=10 m/c², сопротивление воздуха не учитывать)

Answer 1

Ответ:

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Answer 2

Calculation of the Acceleration of the Elevator

To calculate the acceleration of the elevator, we can use the concept of Newton's second law of motion, which states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration.

In this case, the net force acting on the body in the elevator is the difference between the weight of the body in the moving elevator and the weight of the body in the stationary elevator.

Let's assume the weight of the body in the stationary elevator is W.

According to the given information, the weight of the body in the moving elevator is three times the weight in the stationary elevator. Therefore, the weight of the body in the moving elevator is 3W.

The net force acting on the body in the elevator can be calculated as:

Net Force = Weight in Moving Elevator - Weight in Stationary Elevator

Net Force = 3W - W

Net Force = 2W

Now, we can use Newton's second law of motion to calculate the acceleration of the elevator.

Net Force = Mass x Acceleration

Since the mass of the body cancels out on both sides of the equation, we can rewrite the equation as:

Acceleration = Net Force / Mass

In this case, the mass of the body does not affect the acceleration, so we can assume it to be 1 for simplicity.

Therefore, the acceleration of the elevator is:

Acceleration = 2W / 1

To calculate the value of W, we need to know the mass of the body. Unfortunately, the given information does not provide the mass of the body or any other relevant information to calculate it.

Without the mass of the body, we cannot determine the exact value of the acceleration of the elevator.

Please provide the mass of the body in order to calculate the acceleration accurately.