Question

If a book of 100 g is moved horizontally on a table top by applying a force of 2 N and the work done is 1 joule find the displacement.

Answer 1

Question :

• If a book of 100 g is moved horizontally on a table top by applying a force of 2 N and the work done is 1 joule find the displacement.

Given :

• mass of the book= 100 g = 0.1 kg
• Force applied = 2 N
• work done = 1 J

Solution :

we know that ,

$\displaystyle \star{ \boxed {\pink{w = f \times s}}}$

here ,

• w = work done
• f = force applied
• s = displacement

Substituting the given values in the above equation we get ,

$\displaystyle{ \implies{1 = 2 \times s}}$

$\displaystyle{ \boxed {\red{s = 0.5 \: m}}}$

Answer 2

Given ,

Force (F) = 2 Newton

Work (W) = 1 Joule

We know that ,

The product of force and displacement is called work done

$\boxed{ \sf{Work \: done = F × S}}$

Thus ,

1 = 2 × S

S = 1/2

S = 0.5 m

Therefore ,

• The displacement is 0.5 m