From figure, find the work done at the end of displacements: (a) 20cm, (b) 40cm, and (c) 80cm.

A block of wood is kept on a table top. The mass of wooden block is 5kg and its dimensions are 40cm xx 20cm xx 10cm. Find the pressure exerted by the wooden block on the table top if it is made to lie on the table top with its sides of dimensions (a) 20 cm xx 10cm and (b) 40cm xx 20cm .

If the perimeter of a square is 40cm, then the length of its each side is 20cm (b) 10cm (c) 5cm (d) 40cm

If the perimeter of a square is 40cm, then the length of its each side is 20cm (b) 10cm (c) 5cm (d) 40cm

In Figure, P R= (a) 20cm (b) 26cm (c) 24cm (d) 28cm

The sides of a rectangle are in the ratio 5:4. If its perimeter is 72cm, then its length is (a)40cm (b)20cm (c)30cm (d) 60cm

The sides of a triangle are consecutive integers.The perimeter of the triangle is 120cm. Find the length of the greatest side.(a) 39cm (b) 40cm (c) 41cm (d) 42cm

For the force displacement graph shown below. Calculate the work done by the force displacing the body from x=1 cm to x=5 cm.

For the force displacement graph shown below. Calculate the work done by the force displacing the body from x=1 cm to x=5 cm.

Find the lateral surface area and total surface area of a cuboid of length 80cm, breadth 40cm and height 20cm.