Question

СРОЧНО ПОЖАЛУЙСТА‼️ДАЮ 20 БАЛЛОВ‼️ По наклонной плоскости, длиной 10 м и высотой 5 м , в гору тянут груз прибавляя силу 2000 Н. Коэффициент трения равен 0,4. Ускорение движения равно 2 м/с2. Определите массу груза.​

Answer 1

Ответ:

m=20,3

Объяснение:

делали с учителем

Answer 2

Calculation of the Mass of the Load

To calculate the mass of the load, we can use the following formula:

Force of gravity = Mass × Acceleration due to gravity

In this case, the force of gravity is equal to the force applied to move the load uphill minus the force of friction. The force applied to move the load uphill is the sum of the force applied by the person and the force of friction. The force applied by the person is given as 2000 N, and the coefficient of friction is given as 0.4.

Let's calculate the mass of the load step by step:

1. Calculate the force of friction: - The force of friction can be calculated using the formula: Force of friction = Coefficient of friction × Normal force - The normal force is equal to the weight of the load, which can be calculated using the formula: Weight = Mass × Acceleration due to gravity - The acceleration due to gravity is approximately 9.8 m/s^2.

2. Calculate the force applied to move the load uphill: - The force applied to move the load uphill is equal to the force applied by the person plus the force of friction.

3. Calculate the mass of the load: - Use the formula: Mass = Force of gravity / Acceleration due to gravity

Let's calculate the mass of the load using the given values:

1. Calculate the force of friction: - Weight = Mass × Acceleration due to gravity - Weight = Mass × 9.8 m/s^2 - Weight = Mass × 9.8 N

- Force of friction = Coefficient of friction × Normal force - Force of friction = 0.4 × Weight - Force of friction = 0.4 × (Mass × 9.8 N)

2. Calculate the force applied to move the load uphill: - Force applied to move the load uphill = Force applied by the person + Force of friction - Force applied to move the load uphill = 2000 N + (0.4 × (Mass × 9.8 N))

3. Calculate the mass of the load: - Mass = Force of gravity / Acceleration due to gravity - Mass = (Force applied to move the load uphill) / 2 m/s^2

Please note that the given information does not provide the value for the force applied by the person. Without this information, it is not possible to calculate the mass of the load accurately.