Which of the following is correct, when a person walks on a rough surf – McqOptions

MCQOPTIONS

1.	Which of the following is correct, when a person walks on a rough surface [IIT 1981]
A.	The frictional force exerted by the surface keeps him moving
B.	The force which the man exerts on the floor keeps him moving
C.	The reaction of the force which the man exerts on floor keeps him moving
D.	None of the above
Answer» D. None of the above

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