Answer: 2 J
Explanation: Work is defined as the energy exerted by an object when a force acts on it. The formula to find the work is
W = F .d
where, F = force applied
d = displacement
In the given question,
F = 20 N
d = 0.1 m
Hence, Work done, W = F.d
= 20 x 0.1
= 2 Nm
= 2 J