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biceps brachii,pronator quadratus,supinator/pronator teres(depending on the direction of rotation) for turning and flexor digitorum superficialis and flexor digitorum profundus for flexing the fingers and palm to hold the key in place. The main muscle however in turning a key is biceps brachii,while pronator quadratus hold the two bones of the forearm together.the supinator or pronater teres supinate or pronate the arm respectively.
What else can I help you with?
What joint is used to Turning a doorknob?
ball and socket joint
Is doorknob a wheel and axle?
Yes, a doorknob is considered a wheel and axle because when you turn the doorknob to open the door you are turning it so you can open the door.
Why is the doorknob not turning when I try to open the door?
There could be several reasons why the doorknob is not turning when you try to open the door. It could be due to a faulty lock mechanism, a misalignment of the door and frame, or a problem with the doorknob itself. It is recommended to check if the door is properly aligned, if the lock is functioning correctly, and if the doorknob is not damaged. If the issue persists, it may be necessary to seek the help of a professional locksmith or repair person.
Is there another word for doorknob?
The other word which is widely used instead of doorknob is latch.
A doorknob makes it easier to twist a door latch in or out. How does a doorknob do this?
A doorknob provides a grip for the hand that allows for increased leverage when turning the latch. By rotating the knob, the mechanism inside the door is activated to either extend or retract the latch, making it easier to open or close the door.
Is a doorknob is a pulley?
No, a doorknob is an example of a Wheel & Axle.
What kind of machine is a doorknob?
A doorknob is not considered a machine; it is a simple mechanical device designed to open and close doors. It is typically made of materials such as metal or plastic and operates through manual turning or twisting to latch or unlatch a door.
What is a sentence for Doorknob?
The doorknob fell off the door.He gripped the doorknob as tight as he could.
Is a doorknob a pulley?
No, a doorknob is not a pulley. A pulley is a simple machine that consists of a grooved wheel and a rope or belt that runs along the groove to lift or move objects. On the other hand, a doorknob is a type of door handle used to open or close doors.
What is a French Doorknob?
a doorknob that speaks french
What is the Tagalog name of doorknob?
Tagalog translation of doorknob: bukasan ng pinto
What is a sentence using the word doorknob?
the cheap doorknob fell off.
