Forces and newton’s laws
Friction. Friction - the force needed to drag one object across another. (at a constant velocity) Depends on: How hard the surfaces are held together.
Forces and the Laws of MotionSection 4 Normal Force Force on an object perpendicular to the surface (F n ) It may equal the weight (F g ), as it does here.
FRICTION
Force Chapter 3 Section 3 Pages 81-86. Force Force – the cause of change in motion, velocity, or acceleration Force is measured in Newtons (N) Any kind.
Newton’s 3 Laws. To explain all nature is too difficult a task for any one man or even for any one age. `Tis much better to do a little with certainty,
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