The effort force is where you are holding the hammer to pull the nail.
The Resistance force is the nail that is being pulled up My silly dear child, you.
It is the pulling force applied multiplied by the displacement of the object being pulled in the direction of the pulling force.
Stretching force
They are being pulled by the force of gravity
Tension
The Resistance force is the nail that is being pulled up My silly dear child, you.
Yes, it does.
centripetal is the force pulling towards the center of a circle. And centrifiugal is artificial gravity. It makes you "feel" like you are being pulled into one direction when you are being pulled to the other.
In this case you can simply subtract the two forces.
Nothing keeps them from being pulled. Earth's gravity certainly pulls on them.
It is the pulling force applied multiplied by the displacement of the object being pulled in the direction of the pulling force.
A mechanical advantage occurs when a tool such as a hammer is used that increases the amount of force being applied without increasing the effort of the person using the tool. To increase mechanical advantage, you could use a bigger hammer to increase output force.
Stretching force
They are being pulled by the force of gravity
Tension
Force = mass * acceleration you do the math
Tension. The force itself is not elastic, but the material being pulled may be.