Question

A 20 kg mass with 10 m x 5 m x 2 m dimensions lie on the ground such that the face with

largest area is in contact wit​

Answer 1

❥A᭄ɴsᴡᴇʀ࿐

m=v*density

m=6×4×2×1.5×10

3

=72×10

3

kg

when face with large area is in contact with the ground its height is 2m

Centre of mass is at a height of 1m

when face with small area is in contact with the ground its height is 6m

Centre of mass is at a height of 3m

W=72×10

4

(3−1)=1440kJ

Answer 2

Answer:

(3-1) = 1440 is the right answer

Explanation:

hope it helps you