Question

A block of mass 2kg and density 0.7g/cm is held stationary with the help of a
string. The tank is accelerating vertically down wards with 1 m/s2.(g
= 10 m/s2)​

Answer 1

Answer:

know that

Up thust =Vρ

ω

g

eff

V=

d

M

=

0.8

2000

=2.5×10

3

cc=2.5×10

−3

m

3

ρ

w

=1000kg/m

3

g

eff

=10+1=11 m/s

2

Up thust =2.5×10

−3

×1000×11

=27.5 N