1. c`v_©weÁvb
1g cÎ
welq †KvW: 174

2. Physical World and
Measurement
‡fŠZRMr I
cwigvc
অধ্যায় - 1
8g K¬vm

3. wkLb dj
GB cvV †k‡l wkÿv_©xiv -
• wbw³i mvnv‡h¨ †`vjb c×wZ‡Z e¯‘i fi wbY©q
Ki‡Z cvi‡e

4. Zzjv hš¿
Balance
P1 P2

5. IRb ev·
Weight Box

6. e¯‘i cÖK…Z fi
gm
rq
pq
mm 








100)(
)(
0
GLv‡b,
m = Wvb cvjøvq evULvivi fi
p = evULviv ïb¨ Ae¯’vq myPK KvUvi w¯’wZwe›`yi Ae¯’v‡bi cvV
q = evULviv †i‡L myPK KvUvi w¯’wZwe›`yi Ae¯’v‡bi cvV
r = Wvb cvjøvq AwZwi³ fi hy³ K‡i w¯’wZwe›`yi Ae¯’v‡bicvV

7. g~j¨vqb
1. fi wK?
2. IRb wK?

8. mw¤§wjZ KvR
1. wbw³i mvnv‡h¨ †`vjb c×wZ‡Z e¯‘i fi
wbY©q Ki|

9. evwoi KvR
 wbw³i mvnv‡h¨ †`vjb c×wZ‡Z e¯‘i fi
wbY©q c×wZ wjL|