Q3. While traveling in a sail boat, I observed that the wind was blowing heavily from my left to right side. Now I need to adjust the sail of my boat so as to keep the boat moving ahead without the fear of boat falling over. Which of the following adjustments of the sail would be most suitable?
Top View A.
C.
B.
D.
Side View
Q4. Little Johnny made a bridge using drinking straws. He wanted to make it strong enough to carry the load of his toy car. Which of the given bridge structures would be the strongest to carry the toy car?
A.
B.
C.
D.