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The third equation of motion can be derived by integrating the equation of acceleration with respect to time. Starting with ( a = dv/dt ), integrating both sides with respect to time will give ( v = u + at ), where ( v ) is the final velocity, ( u ) is the initial velocity, ( a ) is the acceleration, and ( t ) is the time taken.

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Q: How do you derive the 3rd equation of motion?
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Derive Lagrange's equation of motion using D'alembert's principle?

D'Alembert's principle states that the virtual work of the inertial forces is equal to the virtual work of the applied forces for a system in equilibrium. By applying this principle to a system described by generalized coordinates, we can derive Lagrange's equation of motion, which relates the generalized forces, generalized coordinates, and Lagrangian of the system. The resulting equations can be used to describe the dynamics of the system without the need for explicit forces or constraints.


How does the equation of motion change for an object moving with uniform motion?

For an object moving with uniform motion, the equation of motion does not change. The equation remains the same as it describes the relationship between an object's position, velocity, and time regardless of whether the motion is uniform or non-uniform. Uniform motion implies constant velocity, so the acceleration term in the equation of motion is zero.


How do you describe the motion of an object that is by an equation?

The motion of an object described by an equation will depend on the specific equation used. Common equations to describe motion include position, velocity, and acceleration functions. By analyzing these equations, you can determine how the object moves over time, its speed, and its direction of motion.


What is the equation to determine an object in motion?

The equation to determine an object in motion is the equation of motion, which is typically represented as: ( s = ut + \frac{1}{2}at^2 ), where ( s ) is the displacement of the object, ( u ) is the initial velocity, ( a ) is the acceleration, and ( t ) is the time.


What equation connects force and motion?

The equation that connects force and motion is Newton's second law: F = ma, where F is the force applied to an object, m is its mass, and a is its acceleration. This equation quantifies how the force acting on an object influences its motion.

Related questions

How to derive the equations of motion by method?

1 equation: as u know that a=(v-u)/t so, v-u=a*t therefore, v=u+at which is the first equation of motion


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The 1st and 3rd Equation of motion are the same, the force is zero. Thus 0 =force = Sum forces = action + reaction =0


Derive Lagrange's equation of motion using D'alembert's principle?

D'Alembert's principle states that the virtual work of the inertial forces is equal to the virtual work of the applied forces for a system in equilibrium. By applying this principle to a system described by generalized coordinates, we can derive Lagrange's equation of motion, which relates the generalized forces, generalized coordinates, and Lagrangian of the system. The resulting equations can be used to describe the dynamics of the system without the need for explicit forces or constraints.


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