The simplest movements of a solid (1983)

Documentary №71129, 2 parts, duration: 0:17:57
Production: Centrnauchfilm (CNF)
Camera operators:K.Fedorovich


The film is recommended as a textbook in secondary specialized educational institutions for studying the mechanics of the movement of bodies and their interaction.

Reel №1

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Geese with chicks on a walk.

The child turns the wheel of the well.

A bee collects nectar on flowers.

Lake in the forest.

Ducks are swimming on the lake.

Reeds by the lake.

Flowers are blooming.

The first steps of a child.

The shot of the starting pistol.

Athlete's run.

Avalanche in the mountains.

Watch, toy spinning top.

The concept of mechanics.

Alternating frames with samples of the movement of objects.

Cars are driving around the city.

A cartoon explaining the concept of translational motion.

Rectilinear and curvilinear motion.

A skier's jump from a ski jump.

A cartoon explaining the concepts of rectilinear and curvilinear translational motion.

A skier performing acrobatic movements.

Ferris wheel.

A cartoon explaining more complex translational movements, for example, a Ferris wheel cabin.

Antenna, lathe.

The record is on the turntable.

The concept of rotational motion.

A cartoon explaining the principles of rotational motion.

The equation of rotational motion.

Collage of equations and samples of rotational motion.

The formula of uniform rotation.

Angular velocity.

Collage of samples of rotational motion.

The formula for the dependence of the angular velocity on the rotational speed.


Rotation of helicopter blades.

The formula of angular acceleration.


Cartoon explaining the vector of angular velocity and angular acceleration.

Key words

Forward movement.
Rotational motion.

Reel №2

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The layout of the carousel.

Cartoon explaining the dependence of the path length during rotational movement on the angle of rotation of the body and the distance of the point from the axis of rotation.

A cartoon explaining the dependence of the linear velocity during rotational motion on the angular velocity of a rotating body and on the radius of the curve described.

Cartoon explaining the dependence of rotational acceleration on angular acceleration and distance from the axis of rotation.

The formula for the normal acceleration of the point of a rotating body directed to the center of rotation.

Collage of the basic formulas of the relationship between angular and linear quantities.

A group of cyclists.

Example of chain and belt transmission.

Direct and cross-transmission.

Manual sewing machine.

Friction transmission.

A sample of a gear train is a clock.

A cartoon showing the operation of cylindrical and bevel gears, internal and external gearing of gears.

Grinding machine.

A cartoon explaining the transformation of rotational motion into translational motion using a gear train.

Multi-stage transmissions.

The gearbox of the lathe.

A cartoon explaining the concept of a gear ratio.

The formula of the gear ratio.

The formula of the gear ratio for multi-stage transmissions.

The gear table at the lathe.

The tulip opens.

Alternating frames with different types of movement.

Key words

Rotational motion.
Types of transfers.

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