WORK REFERS TO AN ACTIVITY INVOLVING A FORCE AND MOVEMENT IN THE DIRECTION OF THE FORCE. SO ALL IN ALL WORK IS JUST HOW MUCH ENERGY YOU PUT INTO MOVING SOMETHING OR DOING SOMETHING. THERE MUST BE SOME SORT OF DISPLACEMENT HOWEVER, IF THERE IS A FORCE BUT THERE IS NO DISPLACEMENT OF THE OBJECT THERE IS NO WORK.
RELATION TO SKATEBOARDING
WHEN SKATEBOARDING, ALL A BROTHER DO IS PUT IN WORK......TRY THINKING OF ALL THE FORCE YOUR BODY MUST EXERT IN ORDER TO JUMP DOWN A 10 STAIR. THEN MULTIPLY THAT BY THE DISTANCE YOU JUST FLEW DOWN THAT SET OF STAIRS WHILE DOING A DOPE FLIP TRICK WITH A PIECE OF WOOD ON WHEELS. THEN YOU CAN TALK TO ME ABOUT DOING WORK.
QUESTION #1 IF YOU SKATE 100M WITH FORCE OF 250N HOW MUCH WORK DID YOU DO
25000
QUESTION #2 IF YOU ARE NOT MOVING AND JUMP STRAIGHT UP AND LAND ON YOUR BOARD DO YOU DO ANY WORK?
NO
25000
QUESTION #2 IF YOU ARE NOT MOVING AND JUMP STRAIGHT UP AND LAND ON YOUR BOARD DO YOU DO ANY WORK?
NO