pls answer the both.
asap.
thanks.
Attachments:
Answers
Answered by
1
Answer:
(i)p=f/a
a=f/p
a=400N/20Ncm
20cm2
(ii) f=p×a
f=70cm2×7
f=490N
Explanation:
its simple apply the basic pressure formula,then you subtitute to get the required term then you calculate as required
Similar questions