What is the Acceleration of the System?

In summary, the conversation discusses a scenario where there is friction between a block and a table. A 4 kg mass is suspended on the left and moving up, while a 2 kg mass slides to the right on the table. On the right, a 7 kg mass is suspended and moving down. The acceleration of gravity is given as 9.8 m/s/s and the coefficient of friction is 0.16. The question is asking for the magnitude of the acceleration of the system, with the answer to be given in units of m/s/s.
  • #1
swimstar
6
0
There is friction between the block and the table.
The suspended 4 kg mass on the left is moving up, the 2 kg mass slides to the right on the table, and the suspended mass 7 kg on the right is moving down. The acceleration of gravity is 9.8 m/s/s. What is the magnitude of the acceleration of the system? Answer in units of m/s/s.


(the picture won't work)
the µ = 0.16.
 
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  • #2
Please observe the rules of this forum and use the template to seek homework help. Tell us what you know and what your thoughts are about solving this problem. In this specific case, a picture or at least a description of what is going on will keep us from guessing. Otherwise there might be confusion on both sides.
 

What is acceleration?

Acceleration is the rate of change of velocity over time. It is a vector quantity, meaning it has both magnitude and direction. It is measured in units of meters per second squared (m/s^2).

How is acceleration different from velocity?

While velocity describes the rate of change of an object's position over time, acceleration describes the rate of change of an object's velocity over time. In other words, velocity tells us how fast an object is moving, while acceleration tells us how quickly that velocity is changing.

What is the formula for calculating acceleration?

The formula for acceleration is a = (vf - vi)/t, where a is acceleration, vf is final velocity, vi is initial velocity, and t is time. It can also be written as a = Δv/Δt, where Δv is the change in velocity and Δt is the change in time.

How is acceleration measured?

Acceleration can be measured using various tools such as accelerometers, which measure the change in velocity of an object over time. It can also be calculated using the formula a = (vf - vi)/t, where the values for final velocity, initial velocity, and time are known.

What factors affect the magnitude of acceleration?

The magnitude of acceleration is affected by the force applied to an object, the mass of the object, and the direction of the force. The greater the force applied, the greater the acceleration. The more massive an object is, the more force is needed to accelerate it. And the direction of the force can also affect the direction of the acceleration.

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