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1. 1. SREE NARAYANA TRAINING COLLEGE SREEKANDESWARM POOCHAKKAL CHERTHALA KERALA UNIVERSITY B.Ed 2014-2015
2. 2. TECHNO PEDAGOGIC CONTENT KNWOLEDGE ANALYSIS IN PHYSICAL SCIENCE
3. 3. NAME : NEETHU T M OPTION : PHYSICAL SCIENCE REG NO : 18214383017
4. 4. LINIMOL K S LECTURER PHYSICAL SCINCE
5. 5. STANDARD :VIII UNIT: FORCE TOPIC: DIFFERENT TYPES OF FORCE
6. 6.  MUSCULAR FORCE  MAGNETIC FORCE  ELECTROSTATIC FORCE  GRAVITATIONAL FORCE  MECHANICAL FORCE  FRICTIONAL FORCE
7. 7. Man and other living creatures use muscular force to do work.
8. 8.  A magnet has the property of attraction and repulsion. This force,applied by a magnet,is the magnetic force.
9. 9.  A plastic pen when rubbed on hair can attract small pieces of paper.This is due to electrostatic force.
10. 10.  Objects in the universe have an attractive force between them.This attractive force is the gravitational force.
11. 11.  Force in relation to motion is commonly known as mechanical force.
12. 12.  When an object moves over another object,the force which opposes the relative motion of the objects is the frictional force.