1 Newton is a force. Specifically the force to accelerate 1kg at 1m/s^2
1 Joule is an energy. The energy transfered when applying 1 Newton on an object during whatever time it takes to move it 1 meter.
1 Watt is the work done by an object under an energy. This is harder to understand, but is the energy change per unit of time. It’s not the same gaining 1 Joule in 1 sec than in 10 sec.
Energy is only transfered when you move the object, and depends on during how much distance the force was applied.
Example: you can’t push horizontally a heavy object on the ground (say a tank) due to the friction of the floor or lift vertically due to how heavy it is in our gravity. If it doesn’t move, you have lost energy as heat, but have transfered no movement/energy to the tank.
This is an “everyday” example with newtons and joules, involving mechanic energy, but energy and forces can be of different types
Edit: added work. Can’t believe I’m supposed to know this but took me 45 min to write for eli5
Latest Answers