A push pin is a fastener. As a minimum, it fastens a very visible head to a surface. Even used symbolically on e.g. Google maps. Alternately it may fasten one surface (paper) to another.
Yes, the simple machine is a lever if you look at the top of a normal playground swing.
yes
A pendulum.
A Credit Card Pin is a 4 digit number that you can use in combination with your physical card, to access your bank account from an automated teller machine (ATM).
a simple machine that pushes and pulls is like a close line you push it and pull it back
A push pin is a fastener. As a minimum, it fastens a very visible head to a surface. Even used symbolically on e.g. Google maps. Alternately it may fasten one surface (paper) to another.
Moore worked at a photo lab and was missing a simple solution to hang up film to dry so he invented the push pin.
A poopadoor shotley man
Wedge A+
i think it means to push or pull
A wedge because it wedges it's self through fabrics and other materials.
the type of machine that a clothes pin is, is a lever
No. A computer is a complex machine. A simple machine is a mechanical device that uses once force to operate it, (push, pull, lift, leverage). A complex machine required many outside forces to act upon it before it can be operated.
Pressure is inversely proportional to area. A sharp pin has lesser area compared to a blunt pin. Therefore we require lesser pressure to push the pin with lesser area.Hence it's easier to push a sharp pin which has lesser area.
An airplane is not a simple machine. A lever is a simple machine. A wheel is a simple machine. Any machine that can be described by a mathematical formula is a simple machine.
The safety pin has a pin that goes into the head of the pin, and you push the point in or out of the head of the pin.