Q4.1 Work, force and displacement I (S)
A floating ice block is pushed through a displacement

Solution
Reveal
Hide


Solution
Since the force and the displacement are constant vectors we can use (Equation 3.1 )
![\[ W = \vec{F}\cdot\vec{d} \]](mastermathpng-2.png)
The work done is therefore
W=(15×210)+(12×150)=4950 J