In a sewing machine, a wheel is rotated to move the needle. Then,
The wheel is in circular motion
The needle is in periodic motion
The body of the machine is at rest
All of the above
Fill in the blanks:
(i) One metre is ______________ cm.
(ii) Five kilometres is ______________ m.
(iii) Motion of a child on a swing is ______________.
(iv) Motion of the needle of a sewing machine is ______________.
(v) Motion of wheel of a bicycle is______________.