Question

Write down whether the following motions are: translatory rectilinear (R), translatory curvilinear (C), rotatory (RO) or oscillatory (O).
(a) the movement of a roller coaster
(b) the movement of the hand while writing the letter 'O'
(c) the motion of the blades of a mixer
(d) the motion of a child sliding down a slide
(e) the movement of the wings of a bird
(f) the movement of a baby's cradle
(g) the movement of the hour hand of a clock
(h) the movement of a rocking chair
(i) the movement of a bucket as it draws water from a well
(j) the movement of the pulley while drawing water from a well

Answer 1

(a) translatory curvilinear (C)

(b) translatory curvilinear (C)

(c) Rotatory (RO)

(d) Translatory rectilinear (R)

(e) ​Oscillatory (O)

(f) Oscillatory (O)

(g) ​​​​Rotatory (RO)

(h) ​​​Oscillatory (O)

(i) ​Translatory rectilinear (R)

(j) ​​Rotatory (RO)