use a tennis ball or cricket ball to make it translatory motion , rotatory motion and oscillatory motion.Write a note on it and discuss with your family. (Ref 6th state motion nd time)
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Answer:
Correct option is
B
a less force is required for the tennis ball than for the cricket ball
According to Newton's laws of motion, an object with more mass requires more force to change the current state. Since, a cricket ball is heavier than a tennis ball, therefore, less force is required to start motion in tennis ball than in cricket ball.
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Cricket ball or tennis ball can be used for moving translational, rotational or oscillational.
What is translational motion?
- Motion in which an object moves in one direction or in one line in space is called translational motion.
- The motion of the object is uniform.
- It includes rectilinear motion which means object moving in straight line.
- It also includes curvilinear motion which allows curved path motion of object.
- Example is car or bus moving or movement of cat.
What is rotational motion?
- Motion of an object about an axis is called rotational motion.
- So, when a body rotates about an axis like earth moving about its axis is included in rotational motion.
What is oscillation motion?
- Motion of an object about a fixed point is called oscillation motion.
- The movement of particles in a to and fro motion is called oscillatory motion.
- Example is the motion of pendulum.
Cricket ball when is held and slide on a surface, then it is translational motion.
When the cricket ball is thrown in spin then it is rotated about an axis, it is called rotational motion.
When cricket ball is tied with a string and hanged, then the to and fro motion of the ball is called oscillation motion.
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