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A body is moving along a straight path. What will happen to the body in the absence of an external field?

(a) It will stop

(b) It will move with the same speed in a different path

(c) It will move with the same speed along the same straight path

(d) It will move with a reduced speed along the same path

I have been asked this question during an interview for a job.

My doubt is from Forces topic in section Laws of Motion of Engineering Physics I

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Right option is (c) It will move with the same speed along the same straight path

The explanation is: Galileo stated that on a horizontal plane an object should move with a constant velocity in a straight line path. Therefore a body moving along a straight path will continue to move in the same direction with the same speed even in the absence of external forces.

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