Friday 12 September 2014

I.C.T LESSON TEMPLATE

LESSON TEMPLATE







E-CONTENT

E-CONTENT ANALYSIS OF NEWTON’S SECOND LAW OF MOTION

                             
1.      home     

·        www.en.wikipedia.org/wiki/Newton's_laws_of_motion
·        www.prezi.com/sxgagoogetr0/chapter-2-concept-map-physics-in-action/



2.   objective


ü  To devolop the e- content on topic ‘newton’s second law of motion”
ü  To form the concept of force
ü  To form the idea of  f=ma
ü  To devolop the under standing of applications of second law of motion




CONCEPT MAP



3.TOPIC

http://hyperphysics.phy-astr.gsu.edu/hbase/images/nt2con.gif



3.   E- CONTENT ANALYSIS

TERMS: Second law of motion
Facts
§  the net force on an object is equal to the rate of change (that is, the derivative) of its linear momentum
§  The second law can also be stated in terms of an object's acceleration
§  Since Newton's second law is only valid for constant-mass systems
§  Any mass that is gained or lost by the system will cause a change in momentum that is not the result of an external force
Concepts
v The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.
v The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Law
The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Equations
\mathbf{F} = \frac{\mathrm{d}\mathbf{p}}{\mathrm{d}t} = \frac{\mathrm{d}(m\mathbf v)}{\mathrm{d}t}.
\mathbf{F} = m\,\frac{\mathrm{d}\mathbf{v}}{\mathrm{d}t} = m\mathbf{a},
   Generaly ;  F =ma
Pictures relted to newton’s second law motion