Question

A pair of bullock exerts a force of 140 N on a plough. The field being ploughed is 15 m long. How much work is done in ploughing the length of the field

Answer 1

Hey,

$w = f \times s$
where w is work done
f is force applied.
s is distance travelled.

so, workdone when 140 N applied & 10m distance travelled will be
$= 140 \times15$

$2100j$

so, workdone=2100 joules

HOPE THIS HELPS YOU.

Answer 2

┏─━─━─━─━∞◆∞━─━─━─━─┓ ✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭ ┗─━─━─━─━∞◆∞━─━─━─━─┛

➧Force = 140 N                 ➧Displacement = 15 m

❱ Work Done ➾ F × D
            ➾ 140 × 15
            ➾ 2100 J ....✔

_________                  Thanks...✊