Question

Calculate the work done by 2.4N force pushing a 400.g sandwich across a table 0.75m wide

Answer 1

Given:

$F=2.4\:\rm N$

$\theta=0^\circ$

$d=0.75\:\rm m$

The work done

$$W=Fd\cos\theta$$

$$W=2.4*0.75*\cos 0^\circ=1.8\:\rm J$$