Rotation is simply---------object w.r.t origin or centre point.

Related MCQs

• In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line which passes through the origin and makes an angle of 45° counterclockwise with the X-axis. The coordinates of the transformed point will be
• n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) along a circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion are
• The rotation axis that is perpendicular to the xy plane and passes through the pivot point is known as
• General pivot point rotation can be expressed as
• A line AB with end point A (2,3) & B (7,8) is to be rotated about origin by 300 in clockwise direction. Determine the coordinates of end points S of rotated line.
• Coordinate of □ABCD is WCS are: lowermost corner A(2,2) & diagonal corner are C(8,6). W.r.t MCS. The coordinates of origin of WCS system are (5,4). If the axes of WCS are at 600 in CCW w.r.t. the axes of MCS. Find new vertices of point A in MCS.
• An absolute NC system is one in which all position coordinates are referred to one fixed origin called the zero point.
• The two-dimensional rotation equation in the matrix form is
• Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied?
• A two dimensional rotation is applied to an object by