Answer :
W= ∆E
&
W=Force x displacement
If you increase energy by 92J you are changing energy by 92 so ∆E=92J
Work= ∆Energy
So W also =92
Work=Force x displacement
92=F x 19
F= 92/19
F=4.84 N
Answer: 4.8N (last option)
&
W=Force x displacement
If you increase energy by 92J you are changing energy by 92 so ∆E=92J
Work= ∆Energy
So W also =92
Work=Force x displacement
92=F x 19
F= 92/19
F=4.84 N
Answer: 4.8N (last option)