How do I setup an equation for the acceleration constraint?

In summary, the conversation is about setting up an equation for position to find an acceleration constraint, specifically in regards to a constant length string. The equation provided is L = 2xa + yb + C and the issue arises when trying to differentiate it. The differential quotient of a constant is 0 and the velocities and accelerations are related to the first and second time derivatives of xa and yb.
  • #1
wetlife
4
0

Homework Statement


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The Attempt at a Solution


Could someone explain how to setup an equation for position so that I can find an acceleration constraint?
 
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  • #2
The constraint here is the constant length of the string. What relation does it mean between xa and yb?

ehild
 
  • #3
I see that

L = 2x_a + y_b + C

The problem comes when I try to put that in terms of something I can differentiate. How would you do it?
 
  • #4
You can differentiate both sides of this equation. What is the differential quotient of a constant? and what is the relation of the velocities and accelerations to the first and second time derivatives of xa and yb respectively?

ehild
 

FAQ: How do I setup an equation for the acceleration constraint?

What is acceleration constraint?

Acceleration constraint is a limitation or restriction on the rate of change of velocity of an object. It specifies the maximum or minimum acceleration that can be achieved by the object.

How do I determine the acceleration constraint?

The acceleration constraint can be determined by considering the forces acting on the object and the mass of the object. It is usually given in terms of a maximum or minimum value for the acceleration, such as "maximum acceleration of 2 m/s^2".

How do I setup an equation for the acceleration constraint?

To setup an equation for the acceleration constraint, you can use Newton's second law of motion, which states that the net force on an object is equal to its mass multiplied by its acceleration. You can then rearrange the equation to solve for the acceleration and compare it to the given constraint.

Can the acceleration constraint change during motion?

Yes, the acceleration constraint can change during motion if the forces acting on the object change. For example, if a car is driving on a flat road and then starts going uphill, the acceleration constraint will change because the force of gravity will now be acting on the car.

How does the acceleration constraint affect the motion of an object?

The acceleration constraint determines the maximum or minimum acceleration that an object can have. If the object is able to reach the maximum acceleration, it will accelerate at a constant rate until it reaches its maximum velocity. If the object is restricted to a lower acceleration, it will take longer to reach its maximum velocity.

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