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One dimension has only one axis of possibilities. Motion in one dimension is motion on straight line. Two dimensions is motion on a plane. Two axes meet at right angles and extend in both directions. A point can be located anywhere that can be described as two points in this plane.
Two-dimensional.
It is a 2D net that represents a 3D figure
No. The rules of two dimensional geometry can only be used for two dimensional geometry. You can take the basic principles of two dimensional geometry and alter them slightly to be able to apply to three dimensional solids
Two vectors that lie along the same line-apex
Two-dimensional motion that is not always projectile motion would be circular motion, where an object moves in a circular path. Two-dimensional motion that is not projectile motion and does not accelerate the object could be uniform circular motion, where the speed is constant but the direction changes.
Gravity
Gravity
A projection.
2 dimensional motion refers to motion occurring in a plane, where an object can move horizontally and vertically. This type of motion can be described using both x and y coordinates to track the position of the object. Examples include objects moving in a projectile motion or in circular motion.
Circular motion is a type of two-dimensional motion that is not always projectile motion. In circular motion, such as a car driving around a curve or a satellite orbiting a planet, the object is constantly changing its direction without necessarily being launched upwards. This motion can involve acceleration due to the changes in velocity direction.
A motion along straight line is called rectilinear motion. In general, it need not be one - dimensional; it can take place in a two dimensional plane or in three dimensional space. But, it is always possible that rectilinear motion be treated as one dimensional motion, by suitably orienting axes of the coordinate system.
Going round in circles!
In two-dimensional motion that is not projectile motion, the object may have acceleration even if it is not accelerating overall. This is because the object's velocity can change direction in two dimensions without necessarily changing its magnitude, leading to acceleration along curved paths. Projectile motion, on the other hand, involves acceleration only in the vertical direction due to gravity while the horizontal velocity remains constant.
motion of a simple pendulum
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