Motion II

Physics SS1 First Term
Performance Objectives
Students should be able to:
1. Explain the causes and effects of motion
2. Explain the types of Forces
3. Explain the concept of Friction and state its types
4. State the coefficient of limiting friction
5. List the advantages and disadvantages of friction with methods of reducing friction

Causes and effects of Motion
Force, it is that, which changes or tends to change the state of rest or of uniform motion in a straight line of a body. A block of resting on a table will remain at rest until it is pushed or pulled by an agent. A force can affect the movement of a body, changes its direction of motion, and makes it either slow down or stop moving altogether.

Types of Forces
There are two major types of forces, contact forces and force fields.
Contact forces 
These are forces which are in contact or in touch with the body to which they are applied. Examples are forces.... View More

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