gutierrezforlife8220
09.12.2020 •
Physics
Screws come in many different variations. Some screws have threads that are closer together and some that are farther apart. The closer together the threads are, the longer the inclined plane is relative to the length of the screw or bolt, so the greater its mechanical advantage is. Therefore, if the threads are closer together, you need to apply less force to penetrate the wood or other object. The trade-off of this is that
A.
more turns of the screw are needed because the distance over which the input force must be applied is greater
B.
more turns of the screw are needed because the distance over which the input force must be applied is lesser
C.
fewer turns of the screw are needed because the distance over which the input force must be applied is greater
D.
fewer turns of the screw are needed because the distance over which the input force must be applied is lesser
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Ответ:
B. The volume of a gas is directly proportional to its temperature in kelvins
Explanation:
As per ideal gas equation we know that
now if the pressure of ideal gas will remain constant and the moles of the gas is fixed then in that case we can rearrange the above equation
here since moles and pressure is always constant so for two different temperatures we will have
so here we can say that as per Charle's law
B. The volume of a gas is directly proportional to its temperature in kelvins