Question

In curvilinear motion direction of acceleration is

Answer 1

Answer:

My textbook mentions that the direction of net instantaneous velocity is along the tangent to the curve. Well, from the polar coordinate system I also know that the net instantaneous velocity has two components: one along the radius of curvature and the other perpendicular to it. But when I sum these two velocities the resultant is not along the tangent to the curve. A simple explanation with an elementary knowledge of vectors would highly be appreciated.

Explanation:

Answer 2

In curvilinear motion direction of acceleration is along the tangent of the curve.

• In curvilinear motion, the object moves in a circular or curved path in a defined orbital.
• In curvilinear motion velocity and acceleration have the same direction or in the same direction of motion.
• In this type of motion, acceleration and velocity have two components.
• One component of acceleration is in the direction of the radius while the other is perpendicular to the radius.
• The tangential direction is the resultant acceleration produced by these two rectangular components.

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