double
A crater, but usually basins are much bigger than your average crater. So they are known by another name since often their characteristics are slightly different; the proportions of the impacting object are larger.
I would estimate about 240 Newtons
To counteract a force of 20 N, you need another force, also of 20 N, in the opposite direction.
10
A lot, but that doesn't mean it'll take a lot to injure your head.
Nothing, the force of gravity is always the same no matter how much you weigh. It will only change if you go to another planet.
A screwdriver can damage the slot(s) by deforming the screw-head by either too much force or by using the improper size of screwdriver .
Friction is the force that slows objects down. Especially when combined with another force, such as gravity. When you have low friction, such as on ice, you slow down much slower than when you have high friction, such as on a road.
if one can sneez without closing eyes he will found his balls in front of him`[i mean eye balls]
5105.8 J
Not Much Force was created on 1915-08-04.
the input force is how much energy or force you put into the machine, the output force is how much energy the machine produces with the end product.