1-50 анг

Mechanical movement

• change the mutual arrangement of bodies or parts of them relative to each other in space with time

• The aggregate of bodies, in relation to which the position is determined by the material point

• length section of the trajectory traveled by a material point from the start of the countdown

• the set of bodies, allocated for consideration

Mechanical system

• changing a relative positioning of bodies or their parts relative to each other in space over time

• the aggregate of bodies identified for consideration

• the set of bodies, which is determined by the position of a material point

• line, which describes the material point in space

Reference system

• changing a relative positioning of bodies or their parts relative to each other in space over time

• the set of bodies identified for consideration

• the aggregate of bodies, which is determined by the position of a material point

• change the radius-vector of a moving point during the time period

Trajectory

• the set of bodies, which is determined by the position of a material point

• the length of the trajectory traveled by a material point since the start of the countdown

• changing a relative positioning of bodies or their parts relative to each other in space over time

• the line which describes the material point in space

Moving

• the change of the radius vector of a moving point during the time period

• the set of bodies, which is determined by the position of a material point

• the length of the trajectory traveled by a material point since the start of the countdown

• changing a relative positioning of bodies or their parts relative to each other in space over time

The way

• the set of bodies, which is determined by the position of a material point

• the length of the trajectory traveled by a material point since the start of the countdown

• changing a relative positioning of bodies or their parts relative to each other in space over time

• line, which describes the material point in space

Give determine of moving

• projection of a vector on coordinate axis

• single modulo vectors

• the vector drawn from the initial position of the particle in its final

• the vector drawn from the origin to the given point

The radius-vector

• single modulus and perpendicular vectors

• single modulo vectors

• projection of a vector on coordinate axis

• the vector drawn from the origin to the given point

Which of the examples is a mechanical system

• a swarm of gnats.

• the Solar system.

• a Horse pulling a cart.

• the Earth and Moon.

A material point

• body weight which in the conditions of the given problem can be neglected

• a body which sizes in the conditions of the given problem can be neglected

• the body, a charge which the conditions of the given problem can be neglected

• single modulus and perpendicular vectors