A scientist is completely isolated inside a box that travels in a straight-line

Question

A scientist is completely isolated inside a box that travels in a straight-line path across a level surface with constant speed. Another scientist is in a similar box, but this one is rotating at a constant rate on a level surface (though not rapidly enough to affect the equilibrium of the scientist). Each scientist may have all the scientific goodies that she likes in her box for the purpose of detecting her motion, but they cannot see or obtain any information from outside the box. Which of the following statements is true regarding the scientists?

a) The one in the spinning box can detect her motion.

b) Both can detect their motions.

c) Neither can detect their motions.

d) The one in the traveling box can detect her motion.

Explain your response!

Explanation / Answer

a) The one in the spinning box can detect her motion................is the correct answer

the first scientist is travel with constant speed along a straight line path..hence his accelaration is zero

No,net force is acting on him.So he cannot detect her motion

coming to second scientist,as she is revolving continuousy chnaging her direction by herself.so she can detect her motion

So the correct answer is A)

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