Question Number 100629 by aurpeyz last updated on 27/Jun/20

Commented byaurpeyz last updated on 27/Jun/20

question 3 pls

Answered by mr W last updated on 28/Jun/20

Commented bymr W last updated on 27/Jun/20

B=2 m  θ=45°  h=(B/(2 tan θ))=(2/(2 tan 45°))=1 m

Commented byaurpeyz last updated on 28/Jun/20

pls explain the red part of the diagram Sir. thank alot

Commented byaurpeyz last updated on 28/Jun/20

pls explain the red part of the diagram Sir. thank alot

Commented bymr W last updated on 28/Jun/20

i can′t give more explanation as  the diagram already did. what do you  not understand?

Commented byaurpeyz last updated on 28/Jun/20

thsnks sir. i think i already understand. Sir what is the force F1 and F2 and why is theta at the red diagram also 45? thanks for helping me to learn sir