Table of Contents
- 1 When a cannon fires a cannonball the ball goes forward and the cannon itself moves backward?
- 2 What is the velocity of the cannon?
- 3 Why do the cannon and cannonball cancel out each other’s moments?
- 4 When a cannon is fired are the forces on the cannonball and the cannon equal in magnitude are the accelerations of the two equal?
- 5 What is the formula for recoil velocity?
- 6 What law of motion is cannonball?
- 7 What is the formula for recoil speed?
- 8 Why does a cannon recoil when it fires a cannonball explain using Newton’s 3rd law?
When a cannon fires a cannonball the ball goes forward and the cannon itself moves backward?
Conservation of momentum explains why a gun or cannon recoils backwards when it is fired. When a cannon is fired, the cannon ball gains forward momentum and the cannon gains backward momentum. Before the cannon is fired (the ‘event’) the total momentum is zero. This is because neither object is moving.
What is the velocity of the cannon?
Categories of velocity
| Weapon | Low velocity | High velocity |
|---|---|---|
| Artillery cannons | Less than 396 m/s (1,299 ft/s) | Between 910 and 1,070 m/s (3,000–3,500 ft/s) |
| Tank guns | – | Between 470 and 1,020 m/s (1,550–3,350 ft/s) |
| Small arms | – | Between 1,070 and 1,520 m/s (3,500–5,000 ft/s) |
Why does a cannonball move faster than the cannon that fired it?
Most students immediately make the connection that the “forward” momentum of the ball is exactly balanced by the “backward” momentum of the cannon. Although the ball moves at a much higher speed than the cannon, the cannon’s larger mass makes this possible (mV = Mv).
Why do the cannon and cannonball cancel out each other’s moments?
Since the forces “cannon pushes cannonball” and “cannonball pushes cannon” are a Newton’s Third Law action/reaction force pair, it is true that they are exactly equal and opposite. The forces do not cancel because they act on different objects. Only forces that act on the same object can cancel!
When a cannon is fired are the forces on the cannonball and the cannon equal in magnitude are the accelerations of the two equal?
when a cannon is fired, are the forces on the cannonball and on the cannon equal in magnitude? are the accelerations of the two equal? the forces are equal. though the acceleration is not.
Why does a cannon recoil after firing?
Newton’s third law of motion: Newton’s third law of motion states that every action has an equal and opposite reaction. So, from the above discussion we can conclude that a cannon after firing recoils due to Newton’s third law of motion.
What is the formula for recoil velocity?
Answer Expert Verified If v and V are the velocities of the bullet and gun, respectively after the firing then:- 0= mv+ MV Therefore V=-mv/M The negative sign indicates that the gun moves in a direction to that of the bullet.
What law of motion is cannonball?
The recoil of a rifle or a cannon is due to Newton’s Third Law of Motion. The force the cannon exerts on the cannon ball accelerating it out from the barrel is equal and opposite to the force the ball exerts on the cannon to recoil it backwards. All missiles obey Newton’s Third Law of Motion.
Does a cannon recoil?
Recoil (often called knockback, kickback or simply kick) is the rearward thrust generated when a gun is being discharged. Early cannons used systems of ropes along with rolling or sliding friction to provide forces to slow the recoiling cannon to a stop.
What is the formula for recoil speed?
It is written as m1 * v1 = m2 * v2 where m1 is the mass of the gun and m2 is the mass of the bullet. v1 is the speed of recoil od the gun and v2 is the speed of the bullet.
Why does a cannon recoil when it fires a cannonball explain using Newton’s 3rd law?
A cannonball firing from a cannon is often given as an example of Newton’s third law. The explanation goes like this: The cannon exerts a force on the cannonball and thus the cannonball exerts an equal but opposite force on the cannon.