nothing is there
friction can cause the wearing away of surfaces
three forces are there actually there are firstly four but abdus salam combine the two forces
you can get pushed out of your orbit with enough force.
it takes more force
The disadvantage of an inclined plane is you need a greater force.
If the ramp is steep you will need more force to push it.
Max forging force is not as high as screw or hydraulic presses.
if there is a power cut than they will jam shut and you have to force them open
Both force you to read your lab manual.
Friction is a force that must be overcome for no useful purpose. It takes energy to do this, and thus is wasteful.
no one can force you to do anything but you can make bad choices in spite of people's opinions