write short definitions of different types of motion - rectilinear motion, circular motion and periodic motion. With two examples each.
Answers
Answer:
. Types of Motion Examples
1 Rectilinear a)March past by the soldiers in straight line. b)Motion of falling objects from certain height
2 Circular a) Motion of satellites around planets. b) Motion of car turning to a curved track
3 Rotational a) Motion of giant wheel b) Motion of wheels of moving vehicle
4 Periodic a) Motion of simple pendulum b) Motion of Earth on its own axis.
Explanation:
1) Linear motion (also called rectilinear motion) is a one-dimensional motion along a straight line, and can therefore be described mathematically using only one spatial dimension.
2) circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. It can be uniform, with constant angular rate of rotation and constant speed, or non-uniform with a changing rate of rotation.
3) Rotation around a fixed axis or about a fixed axis of revolution or motion with respect to a fixed axis of rotation is a special case of rotational motion. The fixed-axis hypothesis excludes the possibility of an axis changing its orientation and cannot describe such phenomena as wobbling or precession.
4) Periodic motion, in physics, motion repeated in equal intervals of time. Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave.
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