英和和英

a revolving chair

clockwise rotation

rotary motion

rotary motion

rotating

the action of spinning something

rotational inertia

doing twirls

to turn

have a turn

cause to turn

a cylinder that revolves

in a rotational manner

Made it spin

rotate

turn sharply

circular motion

rectilinear motion

the act of revolving

vertical vibration

curvilinear motion

the central axis of something

orbital revolution

reciprocating motion

a rotary converter

turn on a pivot

angular momentum

a coordinate system that rotates

of a direction of a wave, the condition of being changeable

a suspended body that vibrates by rotating, called a torsion pendulum