Observe the movement of various bodies and classify the types of their movement.

Straight line: driving the car on a straight road, throwing the ball vertically upwards.
Curvilinear: movement of a stud on a car tire, throwing the ball at an angle to the horizon.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.