First Law
According to Newton's First Law, an objection in motion will _________________________ and an object at rest will _________________________.
According to Newton's First Law, an objection in motion will remain in motion and an object at rest will remain at rest.
The sum of the external forces on an object is directly proportional to the product of its _______________ and _______________.
The sum of the external forces on an object is directly proportional to the product of its mass and acceleration.
net force = mass x acceleration
Whenever one object exerts a force on a second object, the second object exerts an ______________ force on the first object in the ______________ direction.
Whenever one object exerts a force on a second object, the second object exerts an equal force on the first object in the opposite direction.
Which type of force opposes movement?
friction