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Enough to go against the air friction, which is usually negligible. If it is, just a very small force would be needed and it will continue in a straight line forever, until an unbalanced force acts upon it (e.x. it hits something).

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What is the amount of force needed to keep a ball moving that has been launched into frictionless space?

In the vacuum of frictionless space, no force is needed to keep the ball moving. According to Newton's First Law of Motion, an object in motion will stay in motion unless acted upon by an external force. Therefore, once the ball is launched into frictionless space, it will continue moving indefinitely.


How much force is required to keep a body moving with constants speed on a frictionless surface?

On a frictionless surface, no force is required to keep a body moving with constant speed. According to Newton's first law of motion, an object in motion will remain in motion unless acted upon by an external force. Thus, in the absence of friction, the body will continue to move at a constant speed indefinitely.


After a cannonball is fired into frictionless space the amount of force needed to keep it going is?

Once a cannonball is fired into frictionless space, no additional force is needed to keep it moving at a constant velocity. According to Newton's first law of motion, an object in motion will remain in motion with the same speed and in the same direction unless acted upon by an external force.


Can a frictionless surface exert normal force?

No, a frictionless surface cannot exert a normal force because the normal force is a force exerted perpendicular to the contact surface and is necessary to counteract the force of gravity or any other downward force. Without friction, there is no need for a normal force to counteract any horizontal force component.


A hockey puck is sliding across a friction less surface what large force us needed?

No large force is needed for a hockey puck to slide across a frictionless surface. Once the puck is in motion, it will continue to move indefinitely without any additional force due to the absence of friction.

Related Questions

What is the amount of force needed to keep a ball moving that has been launched into frictionless space?

In the vacuum of frictionless space, no force is needed to keep the ball moving. According to Newton's First Law of Motion, an object in motion will stay in motion unless acted upon by an external force. Therefore, once the ball is launched into frictionless space, it will continue moving indefinitely.


How much force is required to keep a body moving with constants speed on a frictionless surface?

On a frictionless surface, no force is required to keep a body moving with constant speed. According to Newton's first law of motion, an object in motion will remain in motion unless acted upon by an external force. Thus, in the absence of friction, the body will continue to move at a constant speed indefinitely.


After a cannonball is fired into frictionless space the amount of force needed to keep it going is?

Once a cannonball is fired into frictionless space, no additional force is needed to keep it moving at a constant velocity. According to Newton's first law of motion, an object in motion will remain in motion with the same speed and in the same direction unless acted upon by an external force.


Can a frictionless surface exert normal force?

No, a frictionless surface cannot exert a normal force because the normal force is a force exerted perpendicular to the contact surface and is necessary to counteract the force of gravity or any other downward force. Without friction, there is no need for a normal force to counteract any horizontal force component.


A hockey puck is sliding across a friction less surface what large force us needed?

No large force is needed for a hockey puck to slide across a frictionless surface. Once the puck is in motion, it will continue to move indefinitely without any additional force due to the absence of friction.


What happens when three blocks are placed on a horizontal frictionless surface?

When three blocks are placed on a horizontal frictionless surface, they will remain stationary and not move because there is no force acting on them to cause them to move.


What happens when three blocks are placed on a frictionless horizontal surface?

When three blocks are placed on a frictionless horizontal surface, they will remain stationary unless an external force is applied to them. If a force is applied to one of the blocks, it will move in the direction of the force, while the other blocks will remain stationary due to the absence of friction.


What will happen if you apply a force on top of a disk kept on a frictionless surface?

The disc will slow down as a result of the friction applied by the force.


What is the work done against the gravity when a body is moved horizontally along a frictionless surface?

No work is done against gravity when a body is moved horizontally along a frictionless surface because the force of gravity acts perpendicular to the direction of motion. Work is only done when a force is exerted in the direction of motion.


Will a skateboard go faster if you push it with the same force for a longer time?

Yes. The force is measured as "acceleration" and is meters per second per second (or velocity per second) or the first derivative of velocity. On a frictionless surface in an environment without air resistance, and if the skateboard is a frictionless mechanism, if the skateboard is moving at a constant velocity, that means the acceleration is zero, which means that there is no force being applied to it and it is a body in motion staying in motion.


How do you have zero net force but still have motion?

An object can have zero net force but still be in motion if it is moving at a constant velocity. In this case, the forces acting on the object are balanced, resulting in no acceleration. For example, an object traveling at a constant speed on a frictionless surface would have zero net force acting on it.


What is the force that opposes motion when moving objects over a surface called?

The force that opposes motion when moving objects over a surface is called friction