you turn it
The best screwdriver for electrical work is a insulated screwdriver with a rubberized handle to prevent electric shock.
Screwdriver help people to work fast
A screwdriver should be 100% efficient, if there are any small losses they will be due to deforming the screwhead, or frictional losses on the screwhead.
output force is al ways less than input force
the effort is where u put work into the screwdriver- the handle.
The purpose of a standard screwdriver is to turn screws so they go into or come out of the work.
by changing the force
The handle acts like that.
To choose the best screwdriver for a screw with a tapered head, look for a screwdriver that matches the size and shape of the screw head. A screwdriver with a tapered tip or a flathead screwdriver may work best for this type of screw. Make sure the screwdriver fits securely in the screw head to avoid stripping or damaging the screw.
The energy used to turn a bolt with a screwdriver is mechanical energy. This mechanical energy is converted from the work done to rotate the bolt, transferring energy from the screwdriver to the bolt.
The sonic screwdrivers from the second doctor to the tenth doctor were made by the doctor himself but the eleventh doctor's sonic screwdriver was made by the tardis because the tenth doctor's sonic screwdriver wouldnt work.
A screwdriver blade is typically made of a conducting material like steel. This allows the screwdriver to transfer electrical current when used in electrical work. It is important to ensure the screwdriver is properly insulated if working on live electrical circuits to prevent electrical shocks.