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.
Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
Column I | Column II |
N-______ | _________ |
N-________ | Attraction |
S-N | |
________-S | Repulsion |
Draw:
1) a leaf
2) a taproot and
3) a flower,
you have studied for Table 4.3
Object | Material |
Book | Glass |
Tumbler | Wood |
Chair | Paper |
Toy | Leather |
Shoes | Plastics |