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Question Number 59152 by Forkum Michael Choungong last updated on 05/May/19

Commented by Forkum Michael Choungong last updated on 05/May/19

$I n t h e f i g u r e 1 a b o v e a c r a w b a r, A B C,$ $i s s h o w n b e i n g u s e d t o d i g a n d l i f t$ $a h e a v y s t o n e f r o m t h e g r o u n d .$ $a) M a r k w i t h a r r o w s o n t h e d i a g r a m$ $t h e b e s t p o i n t a n d d i r e c t i o n o f a c t i o n$ $o f t h e e f f o r t a p p l i e d a n d t h e w e i g h t$ $o f t h e s t o n e .$ $b) E x p l a i n t h e e f f e c t o f i n c r e a s i n g$ $t h e d i s t a n c e A B C .$
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