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Q: Why do we need to wait until the surface of the joint goes dull before moving it?
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Continue Learning about Natural Sciences

Water moving along the ground's surface?

Water moving along the grounds surface is called a river or a flood.. A river or a flood both contain moving water. River water is consistently moving. A flood will have water moving until it goes away.


What is Galileo's principle of intertia?

an object that is moving will keep moving until something stops it


How do you properly clean the joints to be soldered?

There are several ways of soldering electrical joints. Automated methods use wave soldering in which a circuit board is passed over a bath of solder. Re-flow soldering uses solder paste that is applied to the circuit board and then heated in an oven until it melts and flows across the joint. Manual soldering is largely still carried out with hand held soldering irons. The standard technique is to apply the tip of the iron to the joint and then feed solder onto the joint as the iron heats it. This method allows the solder flux to flow around the joint before it is affected by the heat. Applying the solder to the iron before touching the joint will often result in a dry joint because the flux will burn away and evaporate before it reaches the joint. Most electronic components have limits for the amount of time the soldering iron can be in contact with each pin. Generally it is in the order of 5 or 6 seconds. With the introduction of lead free solder, temperatures need to be higher to get a good joint and therefore the contact time with each component is reduced. With a shorter contact time, it is even more important to heat the joint and apply solder in an efficient manner. Production and commercial soldering skills take years to develop with apprenticeships lasting up to three years. To describe soldering techniques in just two or three paragraphs is to merely scratch the surface. Although there are many written instructions for soldering joints, there is no substitute for practice and learning from skilled wiremen.


If a ball isn't moving which force causes it to start moving?

We might say that an unbalanced force causes a ball to start moving. If a ball is resting on a surface, gravity is pulling down and the surface is pushing up against it. Things (forces) are in balance and the ball is still. Drop the surface out from under the ball and that ball begins to fall as gravity has no opposing force to balance it.Any lateral force on the ball that can overcome its rolling resistance will cause the ball to move. The inertia of the ball is such that it "wants" to remain at rest. Some unbalanced force will have to act on the ball to cause it to start moving. A ball on a pool table sits still until struck by a cue or another ball. It takes an "outside" force to "unbalance" the forces acting on a ball that is at rest to cause it to move.


Does an object always move in the direction of the unbalanced force exerted on it by another object?

Not always, the unbalanced force only points in the direction of the acceleration so a body may be moving in the opposite direction. Example. A car moves with some speed to the right on a horizontal surface and lock the brakes, if the surface has friction, but the net force acting on it is equal to the frictional force pointing left and produces a Deceleration of carriage until stop, but while this happens continuously in motion to the right.

Related questions

Why do you need to wait until the surface of a soldered joint goes dull before moving it?

Yes, you should wait until you see a film cover the liquid silver colour of the connection


Water moving along the ground's surface?

Water moving along the grounds surface is called a river or a flood.. A river or a flood both contain moving water. River water is consistently moving. A flood will have water moving until it goes away.


Why doesn't a moving object last forever?

A moving object stops moving due to friction. Friction may come from the surface on which it is rolling, the air through which it is moving, etc. Objects in a vacuum theoretically, will not stop moving until they run into something else.


Why doesn't a moving object move forever?

A moving object stops moving due to friction. Friction may come from the surface on which it is rolling, the air through which it is moving, etc. Objects in a vacuum theoretically, will not stop moving until they run into something else.


How can turtles breathe?

Turtles come to the surface and breath air, before swimming below the surface until it is time to breath air again.


Where did Houston oilers play before Houston?

They played in Houston from the club's formation in 1960 until moving to Tennessee in 1997.


Why doesn't surface ocean water not usually freeze at 0 degrees celsius?

Because it's actually moving water it doesn't seem to freeze until -10


How do you remove a you joint from a 95 suburban. it has never ben removed before and i cant get the u joint out i have the drive shaft out already just cant remove the u joint from the drive shaft?

The original u-joint is held in place by a plastic lock ring on each cap. I heat the end caps with a torch until the plastic oozes out then use a u-joint press to press the joint out. The replacement joint comes with metal lock rings.


Can an arrest warrant for DUI in a state that was resided in before moving to another state ever expire?

No. Arrest warrants are valid until served or recalled.


What keeps a moving object moving until a force gets in it way?

Momentum.


What is Galileo's principle of intertia?

an object that is moving will keep moving until something stops it


Can a father of an unborn child out of wedlock stop the mother of the child from moving out of the country before giving birth?

No the father has no paternal rights until the baby is born.