英和和英

a coordinate system that rotates

turn on a pivot

wheels in axial rotation

to turn round a fixed point

a rotatable platform with a track

a bar that serves as a pivot on which something turns about

to spin round on a central point

the central axis of something

the axis on which the earth rotates

a wheel that is revolving

the rate of change of the angular position of a rotating body

turn on a pivot

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

the rate of change of the angular velocity of a rotating body

a transformation in which the coordinate axes are rotated by a fixed angle about the origin

spin a swivel chair

a circular plate on the pivot of a lathe, called a driving plate

The wheel goes round

to make something turn around a pivot

turned in a circle around an axis

a flat and circular shaped object that rotates

the act of turning or winding or folding around a central axis

a shaft on which a wheel rotates

an instrument for reversing the revolution of a shaft, called a {back gear}

a chair whose seat turns on a swivel

The wheels are spinning around

a device which reverses the direction of something turning about an axis

the axle on which a door swings called a pivot

a part of a slewing crane, called jib

a gate consisting of a post that acts as a pivot for rotating arms