Question

A block of wood of length 50 cm and area of cross section 10cm2 floats in water with 3/5 of its length above water.
calculate the weigth of wood?

Answer 1

Answer:

0.40

Acc. to Archemedes principal

ρ

w

g×v=ρ

ℓ

g×v

i

ρ

w

×v=1×

5

2v

ρ

w

=0.40

Answer 2

Answer:

Acc. to Archemedes principal

ρ

w

g×v=ρ

ℓ

g×v

i

ρ

w

×v=1×

5

2v

ρ

w

=0.40