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How will the effort needed to cut using the scissors be affected when the handles are longer?
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Why are ramps useful?
They are very useful. Ramps were made to make things easier by spreading the effort over a longer distnace. Say that you were trying to get over a brick wall which was about you height and you were in a wheel chair. Instead of using tones of effort to get over the wall, you could build a ramp and use small effort over a longer distance. The longer the ramp, the less effort but more time. The shorter the ramp, more effort but less time. They are classified as simple machines and as inclined plains.
What is the effect on the effort force used when the length of the effort arm is decreased?
The force you are referring to is called torque. here is an example: you have 2 wrenches, one with a short handle and the other with a long handle, and 2 identical bolts. The force required for the longer wrench to turn the bolt is less than the force required for the short to turn the bolt. This is because the longer the handle the greater the Torque and therefore less force needs to be applied. summary: longer "effort arm"=more torque= less force needed shorter "effort arm"=less torque=more force needed I hope this answers your question
Are shorter wavelengths more affected by a prism or water droplets than longer wavelengths?
False. A prism separates the colors of sunlight into a spectrum because each wavelength of light has its own index of refraction, not because wavelengths are affected more or less by the prism.
Why do pulleys mean that less force is required to lift the object?
Of course less force as effort to lift heavy force as load. Hence mechanical advantage. But as far as energy is concerned it could neither be created nor destroyed. So with less effort we have to move to a longer distance with the load moved only for a small distance. So small force x longer distance = large force x small distance = constant
When is mechanical advantage increased by a first class lever?
The mechanical advantage is when the fulcrum is closer to the effort and creates a advantage
Why do iron cutting scissors have short edge whereas cloth cutting scissors has long edge?
because the effort distance is longer and the effort is multiplied
Why do iron cutting scissors have short cutting edges?
because the effort distance is longer and the effort is multiplied
What is the difference between mayo scissors and metzenbaum scissors?
Mayo scissors are more proportional blade to handle, while metzenbaum scissors have a longer handle. Metzenbaum scissors are for more delicate surgeries and tissues as well, while the mayo scissors are good for heavier tissues.
What is the difference between fabric scissors and regular scissors?
Fabric shears provide a clean cut through fabric and will last longer overall. They're also "generally longer in length than all-purpose scissors which helps with the precision," Button says. Munix tailoring scissors are made up of stainless steel that is a corrosion-resistant material that helps the scissors to last longer making it more durable. Tailoring scissors are made with ergonomic design which makes cutting fabric easy.
How have scissors made life easier?
You no longer have to rip open packages with your teeth !
Why is a wrench with a long handles preferred to unscrew a nut?
Longer the handle-the more leverage
Why are the handles of tin-shears kept much longer than the blades?
so you don't cut yourself
How was Europe affected by the French Revolution?
no longer used monarchies
How do you disconnect bezier handles from each other in Photoshop?
With one point selected, hold down Alt then move one of the handles. If you let go of Altbefore letting go of the handle, it will not disconnect them. After you do this, the handles will be disconnected and you will no longer need to hold down Alt to move them separately.
Why are ramps useful?
They are very useful. Ramps were made to make things easier by spreading the effort over a longer distnace. Say that you were trying to get over a brick wall which was about you height and you were in a wheel chair. Instead of using tones of effort to get over the wall, you could build a ramp and use small effort over a longer distance. The longer the ramp, the less effort but more time. The shorter the ramp, more effort but less time. They are classified as simple machines and as inclined plains.
Is a fulcrum a simple machine?
A fulcrum is a part of a simple machine, the lever. Without the fulcrum what is left of the simple machine can no longer increase the applied force and is no longer a simple machine.
When working with computers what are handles?
A handle is a particular kind of smart pointer. Handles are used when an application references blocks of memory or objects managed by another system, such as a database or an operating system Copied from a website I can no longer locate. A handle is a particular kind of smart pointer. Handles are used when an application references blocks of memory or objects managed by another system, such as a database or an operating system Copied from a website I can no longer locate.
