Children's educational film about the force of friction.
Children in winter ride from ice hills, a boy on a sled, jumping from a springboard.
Demonstration of the frictional force in the experiment with glass and bar.
Application of grease on the glass, the bar slides.
Demonstration of the formation of a water layer between the edge of the ridge and the ice for sliding.
Rope-walker in a circus on a rope.
The interaction of an asterisk and a chain in the transmission of a bicycle.
Members of the hiking trip in boots with grooved soles walk along smooth stones.
Tread pattern on automobile tires.
Sanding the road with sand in winter, skidding the car on a slippery road.
Processing of metal parts on machine tools, examples of tool breakage due to frictional force.
Examples of the use of lubricant to overcome frictional forces, types of lubrication for metalworking.
An example of the formation of an air cushion to reduce the frictional force.
Moving of cargo by means of rolling logs.
Kind of the first wooden wheel (dramatization).
Examples of friction rolling in different eras, from chariots to cars (animation).
Types of ball bearings and their use in industry and transport.
New cars leave the assembly shop.
Assembling of ball bearings from PTFE.
The work of an experienced device that overcomes the frictional force by radiation.
Fighter in flight.
Competitions in sailing.
Panorama of a part of a sandy desert.
The wind motor rotates.
River landscape at sunset.