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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 ordinary

B great

C new

Q2: Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

A bh³/8

B bh³/36

C bh³/12

D bh³/4

Q3: If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be

A half

B same

C double

Q4: Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

A v = u + a.t

B s = u.t + 1/2 a.t²

C v² = u²+2a.s

D all of these

Q5: If a number of forces are acting at a point, theirresultant will be inclined at an angle θ with the horizontal, such that

B tan θ = ∑H/∑V

C tan θ = ∑V/∑H

D tan θ = ∑Vx∑H

Q6:
The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

A P/2

B 2P

Q7: The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

A equal to

B greater than

C less than

Q8: In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

A increase

B decrease

C remain the same

Q9: The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.

A No

B Yes

Q10: The frequency of oscillation of a torsional pendulum is

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Q1: (solve as per the direction given above)

Q2: Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

Q3: If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be

Q4: Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

Q5: If a number of forces are acting at a point, theirresultant will be inclined at an angle θ with the horizontal, such that

Q6:
The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

Q7: The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

Q8: In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

Q9: The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.

Q10: The frequency of oscillation of a torsional pendulum is

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Q1: (solve as per the direction given above)

Solution

Q2: Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

Solution

Q3: If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be

Solution

Q4: Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

Solution

Q5: If a number of forces are acting at a point, theirresultant will be inclined at an angle θ with the horizontal, such that

Solution

Q6: The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

Solution

Q7: The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

Solution

Q8: In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

Solution

Q9: The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.

Solution

Q10: The frequency of oscillation of a torsional pendulum is

Solution

Q6:
The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is