In most scenarios, the mass of an object is constant. So, the formula for force becomes \(\vec{F} = m \vec{a}\). This is one of the most important equations in all of Physics. It tells us how a body reacts to a force.
These two footballers are fighting over a bottle of Coke. The bottle is not moving anywhere. What is the net force on the bottle?
  • Zero
  • Non-zero
  • Can't say