Question

Q17. a. While measuring the length of a notebook using a broken scale, Radhika keeps one
end of the notebook at 3.5 cm and the other end at 18cm. Find the actual length of the
notebook in Si unit.
b. Differentiate between Rotational and Revolutionary motion. Give one example for
each.​

Answer 1

Answer:

a) 14.5

Explanation:

a) it starts measuring from 3.5 centimetre and ends at 18 cm

so subtract 3.5 from 18 cm

Answer 14.5 cm

b) Motion of thing on its axis is called rotational motion whereas motion of thing around other thing is called Revolational motion