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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)... 19^th 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 and

B yet

C but

Q2: The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is

Q3: A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s² in the direction of which it acts.

A Yes

B No

Q4: The acceleration of a particle moving with simple harmonic motion, at any instant is given by

A ω² /y

B ω.y

C ω³.y

D ω².y

Q5: The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

A less than

B greater than

Q6: If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be

A same

B half

C double

Q7: The loss of kinetic energy during inelastic impact, is given by(where m₁ = Mass of the first body,m₂ = Mass of the second body, and u₁ and u₂ = Velocities of the first and second bodies respectively.)

Q8: The centre of gravity of a hemisphere lies at a distance of 3r / 8 from its base measured along the vertical radius.

A Correct

B Incorrect

Q9:
The above figure shows the three coplaner forces P, Q and R acting at a point O. If these forces are in equilibrium, then

Q10: Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

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Q1: (solve as per the direction given above)

Q2: The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is

Q3: A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s² in the direction of which it acts.

Q4: The acceleration of a particle moving with simple harmonic motion, at any instant is given by

Q5: The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Q6: If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be

Q7: The loss of kinetic energy during inelastic impact, is given by(where m₁ = Mass of the first body,m₂ = Mass of the second body, and u₁ and u₂ = Velocities of the first and second bodies respectively.)

Q8: The centre of gravity of a hemisphere lies at a distance of 3r / 8 from its base measured along the vertical radius.

Q9:
The above figure shows the three coplaner forces P, Q and R acting at a point O. If these forces are in equilibrium, then

Q10: Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

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Q1: (solve as per the direction given above)

Solution

Q2: The centre of gravity of an is osceles triangle with base (p) and sides (q) from its base is

Solution

Q3: A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s2 in the direction of which it acts.

Solution

Q4: The acceleration of a particle moving with simple harmonic motion, at any instant is given by

Solution

Q5: The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

Solution

Q6: If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be

Solution

Q7: The loss of kinetic energy during inelastic impact, is given by(where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)

Solution

Q8: The centre of gravity of a hemisphere lies at a distance of 3r / 8 from its base measured along the vertical radius.

Solution

Q9: The above figure shows the three coplaner forces P, Q and R acting at a point O. If these forces are in equilibrium, then

Solution

Q10: Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

Solution

Q3: A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m / s² in the direction of which it acts.

Q7: The loss of kinetic energy during inelastic impact, is given by(where m₁ = Mass of the first body,m₂ = Mass of the second body, and u₁ and u₂ = Velocities of the first and second bodies respectively.)

Q9:
The above figure shows the three coplaner forces P, Q and R acting at a point O. If these forces are in equilibrium, then