Static Electricity
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Static Electricity
Physics Form 2
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Study Notes () Syllabus (https://www.shuledirect.co.tz/notes/list_syllabus/3/20582)
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Motion is the change of position of an object from one place to another. It is the study of the
movement of a body from one point to another. It studies of all aspects of motion including
distance and displacement, speed and velocity, acceleration and deceleration e.t. c.
There are two types of motions;
1. Circular motion- Is the motion of an object in a circular path. Examples; Motion of the
electron around the nucleus of an atom, Revolutionary movement of the earth around the
sun, Motion of a car around a cornered road.
2. Linear motion- Is the motion of an object in a straight-line path. Examples; A fruit falling
from a tree, a stone thrown vertically upward, a bus moving along a straight road.
Distance and Displacement
Speed and Velocity
Difference between Speed and Velocity Ask
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Speed is the distance moved by an object per second. It is the rate of change of
Static Electricity
Physics Formdistance.
2 It is obtained by dividing the distance moved by the objects to the time taken.
Speed
0 of 6 Subtopics is a scalar quantity hence have magnitude only.
Complete
Velocity is the displacement per second. It is simply the speed of a body in a specific
direction or the rate of change of displacement. Velocity is obtained by dividing the
displacement to the time taken. Velocity is a vector quantity.
Test Yourself
The SI Unit of Speed and Velocity
State the SI unit of Speed and Velocity
The SI unit of speed and velocity the same namely metre per second (m/s). The other
common unit are Kilometre per hour (km/h).
Conversion between km/h and m/s.
To change 1 km/h to m/s;
1 kilometre is changed into metre by multiplying it with 1000 while 1 hour is
changed into seconds by multiplying with 60 x 60 as shown in the equation
below.
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1 m is changed into km by dividing it by 1000 while 1 sec is changed to hours
Static Electricity
Physics Form 2 by dividing it by 60 x 60 as shown below.
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Test Yourself
The Average Velocity of a Body
Determine average velocity of a body
Average velocityis the average or mean value between initial velocity (U) and final
velocity (V). It is also defined as the ratio of the total displacement to the total time.
The following are important terminologies related to velocity of a moving body;
1. Initial velocity (U)– is the velocity of a body at the start of observation.
2. Final velocity (V)– is the velocity of a body at the end of observation
3. Uniform or constant velocity- Is the velocity where by the rate of change of
displacement with time is constant.
4. Absolute velocity- is the actual velocity of a moving object recorded by a stationary
observer
5. Relative velocity- is the velocity of a moving object recorded by a moving observer.
6. Instantaneous velocity- is the velocity of a moving object recorded at any time.
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Physics Form 2
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Acceleration
Equations of Uniformly Accelerated Motion
Motion under Gravity
Physics Form 2 Topics
Static Electricity (https://www.shuledirect.co.tz/notes/list_notes/3/20582#20583)
Current Electricity (https://www.shuledirect.co.tz/notes/list_notes/3/20582#20626)
Magnetism (https://www.shuledirect.co.tz/notes/list_notes/3/20582#20647)
Forces In Equilibrium
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Simple Machines (https://www.shuledirect.co.tz/notes/list_notes/3/20582#20708)
Motion In Straight Line
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Newton's Law Of Motion
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Temperature (https://www.shuledirect.co.tz/notes/list_notes/3/20582#20823)
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