Summary
Summary Newton laws of motion
A small summary of newton's laws of motion for grade 12 learners who wants a quick recap for the final exams. It includes a few practice questions for revision purposes.
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By: sbuudacs • 2 year ago
newtons laws is covered in broad
Content preview
NEWTON’S LAWSOF
MOTION
, KINDS OF FORCES
CONTACT FORCES NON-CONTACT FORCES
-Applied force -gravitational force
-Normal force -magnetic forces
-Frictional force -electrostatic forces
- Static frictional force
-kinetic frictional force
, NEWTON FIRST LAW
• DEF: a body will remain in its state of rest/motion at constant velocity, unless a non-zero n
force acts on it.
• When the net force equals zero the forces are in equilibrium, or they counterbalance each
other. The object then maintains its state of rest/ motion.
• Inertia= the property of a body that enables it to resist change in its state of motion. The
greater the mass of a body, the greater its inertia.
• EG: a bus full of passengers is more difficult to come to a stop than an empty bus
*application of Newton 1
*importance of safety belts
, NEWTON’S SECOND LAW
• DEF: when a net force is applied to an object, the object will accelerate in the direction of
force. The acceleration is directly proportional to the force and inversely proportional to th
mass of the object.
Fnet= ma
*graphic representation
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