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Some scholars were exploring the forest of Middle America. They discovered some buildings which were in ruins. These buildings were ...(1)... ruined by the encroaching forest. It was also clear that these buildings were no ordinary structures. They were remnants of a ...(2)... civilisation. The scholars got interested. They excavated more and discovered ...(3)... their utmost surprise the remains of flourishing civilization-the Maya's ...(4)... they named it. Thus it was as late in ...(5)... 19th that the secrets of new civilization were ...(6)... For sometime the scholars believed that the Mayan's must have ...(7)... the descendants of ancient Egyptians or one of the lost tribes of Israel; or perhaps a brand of the South East Asia's immigrants. However they could not come to an unanimous decision. Nonetheless the fact remains that even-to day the Mayan is one of ...(8)... most ancient cicilizations. This civilisation was situated in the ...(9)... of Middle America. It covered an area equivalent to France, ...(10)... spread across Guatemala, Belize and some part of Mexico Honduras. It started in 2500 B.C and continued its progress till 34 ...(11)... later. Throughout its period of progress, the people struggled against the invading ...(12)... They used to burn the plants and make the land ...(13)... for civilization. Their staple food was maize. but even while ...(14)... for existence, they found time to build remarkable buildings for ...(15)... they used mortar, sandstone and volcanic rock. The buildings do tell us about the technological advances they had attained.

Q1: (solve as per the direction given above)

A at

B to

C for

Q2: The mechanical advantage of a lifting machine is the ratio of

A load lifted to the effort applied

B all of the above

C output to the input

D distance moved by effort to the distance moved by load

Q3: Static friction is always __________ dynamic friction.

A less than

B greater than

C equal to

Q4: A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.

A less than

B equal to

C greater than

Q5: When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration.

A Correct

B Incorrect

Q6: The bodies which rebound after impact are called

A neither elastic nor inelastic bodies

B none of these

C elastic bodies

D inelastic bodies

Q7: The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

A limiting friction

B coefficient of friction

C dynamic friction

D static friction

Q8: The centre of gravity of an equilateral triangle with each side a, is __________ from any of the three sides.

A 23a

B 3a/2

C a/23

D 32a

Q9: The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.

A Correct

B Incorrect

Q10: The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

A principle of transmissibility of forces

B none of these

C principle of resolution of forces

D principle of independence of forces