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Rockets − principle
A rocket is a vehicle which propels itself by ejecting a
part of its mass. Rockets are used to carry the payloads
(satellites). We have heard of the PSLV and GSLV rockets.
All of them are based on Newton's third law of motion.
Consider a hollow cylindrical vessel closed on both
ends with a small hole at one end, containing a mixture of
combustible fuels (Fig. 4.14). If the fuel is ignited, it is
converted into a gas under high pressure. This high pressure
pushes the gas through the hole with an enormous force.
This force represents the action A. Hence an opposite force,
which is the reaction R, will act on the vessel and make it
to move forward.
The force (Fm) on the escaping mass of gases and
hence the rocket is proportional to the product of the mass
of the gases discharged per unit time (dm/dt) and the velocity
with which they are expelled (v)
(i.e) Fm α (dm/dt)v i.e [F= d/dt (mv) ]
This force is known as momentum thrust. If the
pressure (Pe) of the escaping gases differs from the pressure
(Po) in the region outside the rocket, there is an additional thrust called
the velocity thrust (Fv) acts. It is given by Fv = A (Pe − Po) where A is the
area of the nozzle through which the gases escape. Hence, the total
thrust on the rocket is F = Fm + Fv
What else can I help you with?
How the law of interaction being applied on rocket launching?
The law of interaction states that for every action, there is an equal and opposite reaction. In the context of rocket launching, this law is applied as the rocket pushes exhaust gases downward with force (action), causing the rocket to move upward (reaction) in the opposite direction. This principle underlies Newton's third law of motion and is fundamental to the physics of rocket propulsion.
What is harder than rocket science?
Understanding the human brain and consciousness is often considered more complex and challenging than rocket science due to its intricate and still not fully understood nature. The field of quantum physics, with its abstract concepts and unpredictability, is also considered to be more perplexing than rocket science by many.
Do rockets use bernoulli's principle?
Rockets primarily rely on the principle of action and reaction, as described by Newton's third law of motion, to generate thrust. While Bernoulli's principle can be involved in the aerodynamics of certain rocket designs, it is not the main principle governing rocket propulsion.
What is the solution to the physics rocket problem?
The solution to the physics rocket problem involves calculating the rocket's velocity, acceleration, and trajectory using principles of physics such as Newton's laws of motion and the equations of motion. By applying these principles, one can determine the optimal launch angle, thrust, and other factors to achieve the desired outcome.
What is the maximum height reached by a rocket in a physics problem involving a rocket launch?
The maximum height reached by a rocket in a physics problem involving a rocket launch is determined by factors such as the initial velocity of the rocket, the force of gravity, and air resistance. This height is typically calculated using equations of motion and can vary depending on the specific conditions of the launch.
What makes a Rocket Shoot From the Rocket Launcher?
A fundamental principle of Newtonian Physics states that for every action, there is an equal and opposite reaction. The rocket blasts an incredible amount of energy through it's nozzle, this creates a reactive force in the opposite direction that pushes against the rocket and launches from the rocket launcher.
How the law of interaction being applied on rocket launching?
The law of interaction states that for every action, there is an equal and opposite reaction. In the context of rocket launching, this law is applied as the rocket pushes exhaust gases downward with force (action), causing the rocket to move upward (reaction) in the opposite direction. This principle underlies Newton's third law of motion and is fundamental to the physics of rocket propulsion.
Is rocket engineering related to physics?
Yes.
What is the principle behind the working of a Rocket?
the principle behind working of a rocket is newtons 3rd law of motion which states that every action has equal and opposite reaction
What is harder than rocket science?
Understanding the human brain and consciousness is often considered more complex and challenging than rocket science due to its intricate and still not fully understood nature. The field of quantum physics, with its abstract concepts and unpredictability, is also considered to be more perplexing than rocket science by many.
What is the relationship between income and luxury goods?
higher income, more luxery goods. not rocket science.
What is the difference between a long rocket fin and a short rocket fin?
A longer fin has increased aerodynamic drag. The geometric relationship between the drag caused by the fins and the center of gravity of the rocket determine the stability of the rocket in flight. Less aerodynamic drag means the rocket can go higher or farther, but it also means the rocket is less stable in flight. This tradeoff has to be considered in the design of the rocket.
Do rockets use bernoulli's principle?
Rockets primarily rely on the principle of action and reaction, as described by Newton's third law of motion, to generate thrust. While Bernoulli's principle can be involved in the aerodynamics of certain rocket designs, it is not the main principle governing rocket propulsion.
Physics Help on a rocket problem please?
so what is the problem???
What is the solution to the physics rocket problem?
The solution to the physics rocket problem involves calculating the rocket's velocity, acceleration, and trajectory using principles of physics such as Newton's laws of motion and the equations of motion. By applying these principles, one can determine the optimal launch angle, thrust, and other factors to achieve the desired outcome.
What is the maximum height reached by a rocket in a physics problem involving a rocket launch?
The maximum height reached by a rocket in a physics problem involving a rocket launch is determined by factors such as the initial velocity of the rocket, the force of gravity, and air resistance. This height is typically calculated using equations of motion and can vary depending on the specific conditions of the launch.
What classes do you have to take to be a rocket scientist?
physics,chemistry , and computer scientist
