Terms
What is newton's first law?
An object remain at rest or an object remains in motion unless acted upon by an unbalanced external force.
What needs to happen to move a wheel, barrow, car, or a plane?
They need a constant force/ Engine
What are external new force?
The total combined force from outside
What happens on an ice surface that is different from other surface such as a tablet?
The ice surface is slippery because of it very low amount of friction.
What is constant force?
A pull or push that maintain same strength
Why does a hockey puck stop on the ice?
The pock stops due to the friction on the ground.
Constant force must be applied to main motion against what?
Friction