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181.

ML2T-2 could be the dimension of all of the following EXCEPT:

A.	Work	B.	Energy
C.	Torque	D.	Power

182.

Te dimensions of frequency are

A.	T-1	B.	L-1
C.	L-1T-1	D.	MLT

183.

Femtometre x Nanometer x (Gigametre)2 =

A.	Metre	B.	Megametre
C.	Micrometre	D.	Picometre

184.

Newton, dyne and poundal are known as

A.	gravitational units	B.	absolute units
C.	fundamental units	D.	absolute units

185.

When all the forces acting on a body lie in one plane and their lines of action meet at one point, the forces

A.	constitute a couple	B.	constitute a moment
C.	are known as non-coplaner forces	D.	are known as coplaner-concurrent forces.

186.

When two concurrent and coplaner forces P and Q act at an angle of 180?, their resultant will be a

A.	couple	B.	moment equal to PQ
C.	zero	D.	(P-Q)

187.

The resultant of coplaner parallel forces is found by load line diagram, while the position is found by

A.	link polygen	B.	funicular polygon
C.	string polygon	D.	any of the above

188.

The centroid of a triangle is at the inter-section of

A.	perpendiculars down from the corners	B.	perpendicular bisectors
C.	medians	D.	base and perpendicular from opposite vertex

189.

When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be

A.	equal in magnitude	B.	inclined at less than 90?
C.	inclined at more than 90?	D.	acting at 180?

190.

Three forces A, B and C of magnitudes 8 N, 12 N and 20 N acting on a particle are in equilibrim. It can be concluded that

A.	A and B act at 90?	B.	one of the forces in non-coplaner
C.	B and C act in opposite directions	D.	one of the forces is non-concurrent