Two bodies in contact and if the contact is frictionless the contact f – McqOptions

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1.	Two bodies in contact and if the contact is frictionless the contact force is _____ to the common surface and is known as ____
A.	Parallel, frictional force
B.	Perpendicular, frictional force
C.	\[{{10}^{6}}Pa\]
D.	Parallel, normal force
Answer» D. Parallel, normal force

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