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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 become

B been

C being

Q2: If a number of forces acting at a point be represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are not in equilibrium.

A Disagree

B Agree

Q3: The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.

A directly

B inversely

Q4: The motion of a particle round a fixed axis is

A translatory as well as rotatry

B rotary

C circular

D translatory

Q5: A block of mass m1, placed on an inclined smooth plane is connected by a light string passing over a smooth pulley to mass m2, which moves vertically downwards as shown in the below figure. The tension in the string is

A m1.m2/m1+m2

B m1/m2

C m1.g sin α

D

Q6: If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.

A does not change

B change

Q7: The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

A different at different points on its line of action

B maximum, if it acts at the centre of gravity of the body

C same at every point on its line of action

D minimum, if it acts at the centre of gravity of the body

Q8: A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

A 20

B 10

C 5

D 40

Q9: If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium.

A Yes

B No

Q10: Newton's second law motion __________ a relation between force and mass of a moving body.

A gives

B does not give