Share NATURAL UNIT 4: FORCES
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FORCES CAN BE DIVIDED INTO _ _ _ _ _ _ _ AND _ _ _ - _ _ _ _ _ _ _ FORCES
CONTACT and NON - CONTACT
- - - - - - - AFECTS ALL OBJECTS
GRAVITY
- - - - - - - - - PULLS OR ATTRACTS SOME METALS LIKE IRON AND STEEL
MAGNETISM
- - - - - - - - - - - - - - - - - - IS A RESULT OF ELECTRIC CHARGES AND CAUSES LIGHTNING
ELECTROSTATIC FORCE
_ _ _ _ _ _ _ _ OBJECTS ARE ATTRACTED TO SOME METALS
MAGNETIC
OPENING A DOOR IS AN EXAMPLE OF A - - - - - - - FORCE
CONTACT
THE OPPOSITE POLES OF MAGNETS ... ( ATTRACT / REPEL )
ATTRACT
- - - - - AND IRON ARE MAGNETIC
STEEL
STEEL AND - - - - ARE MAGNETIC
IRON
............. HAS THE STRONGEST FORCE OF GRAVITY IN THE SOLAR SYSTEM
THE SUN
ALL OBJECTS RESPONDS IN THE SAME WAY TO APPLIED FORCE (True or False?)
FALSE
MAGNETISM IS AN EXAMPLE OF ............................. FORCE
NON CONTACT
GRAVITY IS A FORCE WHICH ............. TOWARDS THE CENTRE OF THINGS
PULLS
................... IS THE REASON WHY SOME METALS ARE ATTRACTED TO MAGNETS
MAGNETISM
WATERFALLS MOVE BECAUSE OF ............... (NON-CONTACT FORCE)
GRAVITY
PUSHING A PRAM IS AN EXAMPLE OF A NON-CONTACT FORCE ( T / F ? )
FALSE. Pushing a pram needs the touch, so it is a CONTACT force
