The weight of one box = 4 kg 500 g
= 4 x 1000 g + 500 g
= 4500 g
Maximum load can be loaded in van= 800 kg
= 800 x 1000 g
= 800000 g
Number of boxes = 800000 ÷ 4500
__________
4500 \(\bigg)\)800000
- 4500
35000
- 31500
35000
- 31500
3500
Therefore, 177 boxes can be loaded.
Complete the drawing shown in Fig. 9.14 to indicate where the free ends of the two wires should be joined to make the bulb glow