In mechanics, the force exerted upwards by the surface that a body sits on is equal and opposite to the force exerted downwards by that body and is referred to as the Ground Reaction Force (GRF) or simply Reaction.
Chat with our AI personalities
input force is force exerted on a machine
... continue to do that, until a force is exerted on it.
change the direction of force,because it exerted the force on it.
your cired
A spring force scale measures the downward pull on a spring exerted by a force, usually gravity acting on a weight.