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Directions to Solve

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 then

B the

C at

Q2: Work done is said to be zero, when

A some force acts on a body, but displacement is zero

B no force acts on a body but some displacement takes place

C either (a) or (b)

D none of the above

Q3: The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.

A Agree

B Disagree

Q4: One watt is equal to

A 100 joules/s

B 0.1 joule/s

C 1 joule/s

D 10 joules/s

Q5: two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

A none of these

B 20 N and 5 N

C 15 N and 15 N

D 15 N and 5 N

Q6: If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is __________ the momentum of body having mass m2.

A less than

B greater than

C equal to

Q7: The point, through which the whole weight of the body acts, irrespective of its position, is known as

A centre of percussion

B centre of gravity

C centre of mass

D moment of inertia

Q8: The loss of kinetic energy during elastic impact is zero.

A Agree

B Disagree

Q9:
The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ .

A less than

B greater than

Q10: Which of the following is a scalar quantity?

A Acceleration

B Force

C Speed

D Velocity