Match the given type of motion with the nature of the net force producing the mo

Question

Match the given type of motion with the nature of the net force producing the motion.
Answer
motion in a straight line with decreasing speed.

motion in a straight line with increasing speed.

motion in a straight line at constant speed.

motion in a circle.

a body falling through air.
Answer
A.  
zero net force
B.  
constant net force in the same direction as velocity

C.  
constant net force opposite to velocity

D.  
constant net force perpendicular to velocity

E.  
net force decreasing with speed

F.  
restoring force proportional to displacement

Explanation / Answer

motion in a straight line with decreasing speed. = constant net force opposite to velocity

motion in a straight line with increasing speed. = constant net force in the same direction as velocity

motion in a circle. = constant net force perpendicular to velocity

a body falling through air. = constant net force in the same direction as velocity

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