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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 an

B a

C the

Q2: The resultant of two forces P and Q acting at an angle θ is

A

B

C

D

Q3: Which of the following are vector quantities?

A Linear acceleration

B Linear velocity

C all of these

D Linear displacement

Q4: The maximum acceleration of a particle moving with simple harmonic motion is

A ω

B ω/r

C ω2r

D ωr

Q5: A lift moves downwards with an acceleration of 9.8 m/s2. The pressure exerted by a man on the floor of the lift is zero.

A True

B False

Q6: Non-coplaner concurrent forces are those forces which

A meet at one point and their lines of action also lie on the same plane

B do not meet at one point and their lines of action do not lie on the same plane

C meet at one point, but their lines of action do not lie on the same plane

D do not meet at one point, but their lines of action lie on the same plane

Q7: Which of the following statement is correct?

A The kinetic energy of a body before impact is more than the kinetic energy of a body after impact.

B The kinetic energy of a body before impact is equal to the kinetic energy of a body after impact.

C The kinetic energy of a body before impact is less than the kinetic energy of a body after impact.

D The kinetic energy of a body during impact remains constant.

Q8: The maximum efficiency of a screw jack is

A

B

C

D

Q9: In a framed structure, as shown in the below figure, the force in the member AC is numerically equal to the force in member BC.

A Correct

B Incorrect

Q10: The force which acts along the radius of a circle and directed towards the centre of the circle is known as centripetal force.

A True

B False