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FORCE AND MATTER (FORCES CAN (CHANGE SIZE, CHANGE SHAPE, STRETCH, SQUASH,…
FORCE AND MATTER
FORCES CAN
CHANGE SIZE
CHANGE SHAPE
STRETCH
SQUASH
BEND
TWIST
PRESSURE
GREATER WHEN LARGE FORCE ACTS ON SMALL AREA
P=Force / Area
P=F/A
IN FLUID IT'S GREATER AT GRATER DEPTHS + WHEN FLUID HAS GREATER DENSITY
DEPTH X DENSITY X ACCELLERATION DUE TO GRAVITY
P= h x p x g
EXTENSION AGAINST LOAD GRAPH SHOWS
HOW BODY STRETCHES WHEN LOAD IS APPLIED TO IT
IS STRAIGHT LINE UP TO LIMIT OF PROPORTIONALITY
AT CERTAIN POINT BENDS
SLOPE BECOMES MORE STEEPLY
CALLED
LIMIT OF PROPORTIONALITY
ELASTIC LIMIT
MANOMETER
SHOW DIFFERENCE IN PRESSURE BTWEEN 2 GASES AND LIQUIDS
TO MEASURE PRESSURE OF LABORATORY GAS SUPPLY
MUST BE HIGHER THAN ATMOSPHERIC P
INSTRUMENT
U-SHAPED TUBE HOLDING SMALL ABOUT OF LIQUID
BAROMETER
TO MEASURE ATMOSPHERIC PRESSURE
LONG GLASS TUBE
HOOKE'S LAW
F=K x X