rotation being 1 kg-m2 and its rate of rotation 2 rev/sec. The angular momentum of the body in kg-m2/sec is A. 1.257 B. 12.57 C. 13.57 D. 1.357" class="read-more button" href="https://exam.pscnotes.com/mcq/a-symmetrical-body-is-rotating-about-its-axis-of-symmetry-its-moment-of-inertia-about-the-axis-of-rotation-being-1-kg-m2-and-its-rate-of-rotation-2-rev-sec-the-angular-momentum-of-the-body-in-kg-m2/#more-6904">Detailed SolutionA symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 1 kg-m2 and its rate of rotation 2 rev/sec. The angular momentum of the body in kg-m2/sec is A. 1.257 B. 12.57 C. 13.57 D. 1.357

2. Angular acceleration of a particle may be expressed as A. Radians/sec2 B. Degrees/sec2 C. Revolutions/sec D. All the above

Radians/sec2
Degrees/sec2
Revolutions/sec
All the above

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All the above" class="read-more button" href="https://exam.pscnotes.com/mcq/angular-acceleration-of-a-particle-may-be-expressed-as-a-radians-sec2-b-degrees-sec2-c-revolutions-sec-d-all-the-above/#more-6903">Detailed SolutionAngular acceleration of a particle may be expressed as A. Radians/sec2 B. Degrees/sec2 C. Revolutions/sec D. All the above

3. A smooth cylinder lying on its convex surface remains A. In stable equilibrium B. In unstable equilibrium C. In neutral equilibrium D. Out of equilibrium

In stable equilibrium
In unstable equilibrium
In neutral equilibrium
Out of equilibrium

Detailed SolutionA smooth cylinder lying on its convex surface remains A. In

stable equilibrium B. In unstable equilibrium C. In neutral equilibrium D. Out of equilibrium

4. The velocity ratio of the differential wheel and axle is A. $$\frac{{\text{R}}}{{{{\text{r}}_1} – {{\text{r}}_2}}}$$ B. $$\frac{{2{\text{R}}}}{{{{\text{r}}_1}}}$$ C. $$\frac{{3{\text{R}}}}{{{{\text{r}}_1} – {{\text{r}}_2}}}$$ D. $$\frac{{2{\text{R}}}}{{{{\text{r}}_1} + {{\text{r}}_2}}}$$

$$rac{{ ext{R}}}{{{{ ext{r}}_1} - {{ ext{r}}_2}}}$$
$$rac{{2{ ext{R}}}}{{{{ ext{r}}_1}}}$$
$$rac{{3{ ext{R}}}}{{{{ ext{r}}_1} - {{ ext{r}}_2}}}$$
$$rac{{2{ ext{R}}}}{{{{ ext{r}}_1} + {{ ext{r}}_2}}}$$

Detailed Solution Subscribe on YouTube

class="screen-reader-text">The velocity ratio of the differential wheel and axle is A. $$\frac{{\text{R}}}{{{{\text{r}}_1} – {{\text{r}}_2}}}$$ B. $$\frac{{2{\text{R}}}}{{{{\text{r}}_1}}}$$ C. $$\frac{{3{\text{R}}}}{{{{\text{r}}_1} – {{\text{r}}_2}}}$$ D. $$\frac{{2{\text{R}}}}{{{{\text{r}}_1} + {{\text{r}}_2}}}$$

5. Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is A. $$\frac{2}{3}$$ B. $$\frac{1}{5}$$ C. $$\frac{3}{5}$$ D. $$\frac{1}{3}$$

$$rac{2}{3}$$
$$rac{1}{5}$$
$$rac{3}{5}$$
$$rac{1}{3}$$

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the coefficient of restitution between the balls is A. $$\frac{2}{3}$$ B. $$\frac{1}{5}$$ C. $$\frac{3}{5}$$ D. $$\frac{1}{3}$$" class="read-more button" href="https://exam.pscnotes.com/mcq/two-balls-of-masses-3-kg-and-6-kg-are-moving-with-velocities-of-4-m-sec-and-1-m-sec-respectively-towards-each-other-along-the-line-of-their-centers-after-impact-the-3-kg-ball-comes-to-rest-this-can/#more-6900">Detailed SolutionTwo balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is A. $$\frac{2}{3}$$ B. $$\frac{1}{5}$$ C. $$\frac{3}{5}$$ D. $$\frac{1}{3}$$

6. A satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about A. 7000 km per hour B. 8000 km per hour C. 9000 km per hour D. 11,000 km per hour

7000 km per hour
8000 km per hour
9000 km per hour
11,000 km per hour

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km per hour D. 11,000 km per hour" class="read-more button" href="https://exam.pscnotes.com/mcq/a-satellite-is-said-to-move-in-a-synchronous-orbit-if-it-moves-at-an-altitude-of-36000-km-with-a-maximum-velocity-of-about-a-7000-km-per-hour-b-8000-km-per-hour-c-9000-km-per-hour-d-11000-km-per/#more-6899">Detailed SolutionA satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about A. 7000 km per hour B. 8000 km per hour C. 9000 km per hour D. 11,000 km per hour

7. The moment of inertia of the shaded portion of the area shown in below figure about the X-axis, is A. 229.34 cm4 B. 329.34 cm4 C. 429.34 cm4 D. 529.34 cm4

229.34 cm4
329.34 cm4
429.34 cm4
529.34 cm4

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229.34 cm4 B. 329.34 cm4 C. 429.34 cm4 D. 529.34 cm4" class="read-more button" href="https://exam.pscnotes.com/mcq/the-moment-of-inertia-of-the-shaded-portion-of-the-area-shown-in-below-figure-about-the-x-axis-is-a-229-34-cm4-b-329-34-cm4-c-429-34-cm4-d-529-34-cm4/#more-6897">Detailed SolutionThe moment of inertia of the shaded portion of the area shown in below figure about the X-axis, is A. 229.34 cm4 B. 329.34 cm4 C. 429.34 cm4 D. 529.34 cm4

8. Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of A. 5 Newtons B. 8 Newtons C. 10 Newtons D. 12 Newtons

5 Newtons
8 Newtons
10 Newtons
12 Newtons

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Newtons
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C. 10 Newtons D. 12 Newtons" class="read-more button" href="https://exam.pscnotes.com/mcq/two-forces-of-6-newtons-and-8-newtons-which-are-acting-at-right-angles-to-each-other-will-have-a-resultant-of-a-5-newtons-b-8-newtons-c-10-newtons-d-12-newtons/#more-6898">Detailed SolutionTwo forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of A. 5 Newtons B. 8 Newtons C. 10 Newtons D. 12 Newtons

9. According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on A. A point B. A straight line C. Two straight lines D. A triangle

A point
A straight line
Two straight lines
A triangle

Detailed SolutionAccording to Kennedy’s theorem, if three bodies

48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube

have plane motions, their instantaneous centers lie on A. A point B. A straight line C. Two straight lines D. A triangle

10. The practical units of work, is A. Erg B. Joule C. Newton D. Dyne

Erg
Joule
Newton
Dyne

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448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/the-practical-units-of-work-is-a-erg-b-joule-c-newton-d-dyne/#more-6895">Detailed SolutionThe practical units of work, is A. Erg B. Joule C. Newton D. Dyne

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