A body is said to have plane motion when

1.It possesses translation as well as rotation

2. It rotates around a point

3. It moves in a curved path on a plane surface

4.It moves in a straight line on a plane surface

**Posted Date**:-2022-09-27 03:45:57

A motion in which acceleration of the body is directly proportional to its displacement and directed toward the origin is called

1.Simple harmonic motion

2.Circular motion

3.Curvilinear motion

4.Angular motion

**Posted Date**:-2022-09-27 03:49:42

A particle has

1.neither mass nor size

2.no mass but only size

3.only mass and no size

4.none of the above are correct concept of a particle

**Posted Date**:-2022-09-27 04:11:43

A point on the wheel of a moving vehicle is having

1.curvilinear motion

2. general plane motion

3.rectilinear translation

4.rotation

**Posted Date**:-2022-09-27 04:16:17

At the instantaneous centre, the velocity of the moving lamina at any instant is

1. varying

2.minimum

3.maximum

4.zero

**Posted Date**:-2022-09-27 04:04:31

Coefficient of restitution is an impact of two bodies is given by

1.Velocityofseparation/ Velocityofapproach

2.Velocityofapproach/ Velocityofseparation

3. Relativevelocityofseparation/ Relativevelocityofapproach

4.Relativevelocityofapproach /Relativevelocityofseparation

**Posted Date**:-2022-09-27 04:24:25

Compared to static friction, dynamic friction is

1. Depending upon the value of coefficient of friction it may be more or less

2.Same

3.Less

4.More

**Posted Date**:-2022-09-27 03:59:56

Design speed on a banked curved path is

1. to avoid lateral pressure on tyres

2.to avoid overturning of the vehicle

3.to avoid skidding of the vehicle

4.All of the above

**Posted Date**:-2022-09-27 04:32:59

Free body diagram means

1. the diagram of a freely suspended body

2.the diagram of a body with applied forces, self-weight ad reactions

3. the diagram of a body with applied forces

4.the diagram drawn with free hand

**Posted Date**:-2022-09-27 04:28:09

Friction is a kind of

1. active force

2.body force

3. reactive force

4.none of the above

**Posted Date**:-2022-09-27 04:09:19

If a stone of mass m is dropped from a height h on a ground, the velocity of strike is

1.2 gh

2.m gh

3. âˆš2mgh

4.âˆš2gh

**Posted Date**:-2022-09-27 04:34:43

In a velocity time curve the slope represents

1.acceleration

2.displacement

3.velocity

4.none of the above

**Posted Date**:-2022-09-27 04:07:32

In acceleration time curve, the velocity is represented by

1.area under the curve

2.ordinate of the curve

3.slope of the curve

4.none of the above

**Posted Date**:-2022-09-27 04:30:15

In the method of sections for the analysis of trusses, the section line should

1.cut not more than 3 members and separate the truss into two independent parts

2.cut 3 members and separate it into two independent parts

3.cut only three members

4.cut at least 3 members

**Posted Date**:-2022-09-27 04:03:09

Instantaneous centre is at infinity when the angular velocity is

1.constant

2.zero

3.maximum

4.minimum

**Posted Date**:-2022-09-27 04:22:36

One watt of power is equal to

1.one joule of work done per minute

2.one kilo-joule of work done per minute

3.one kilo-joule of work done per second

4.one joule of work done per second

**Posted Date**:-2022-09-27 04:19:31

The angle of inclined plane with the horizontal when a body placed on it is on the verge of sliding down is known as

1.Angle of repose

2.Angle of friction

3.Cone of friction

4. Coefficient of friction

**Posted Date**:-2022-09-27 03:43:27

The angles between the two forces to make their resultant a minimum and a maximum are respectively

1.0Â° and 180Â°

2. 90Â° and 0Â°

3.180Â° and 90Â°

4.180Â° and 0Â°

**Posted Date**:-2022-09-27 03:53:59

The coefficient of friction depends upon

1.The shape of contact area

2.The area of contact

3.The roughness of the surface

4. All of the above

**Posted Date**:-2022-09-27 03:57:38

The law stating that the algebraic sum of moments of a system of coplanar forces about a moment centre is equal to the moment of their resultant force about the same moment centre is known as

1.D' Alembert principle

2. Lami's theorem

3.Law of transmissibility of forces

4.Varignon's theorem

**Posted Date**:-2022-09-27 03:40:56

The maximum angle upto which grains can be heaped is known as

1.angle of friction

2. angle of repose

3.coefficient of friction

4.cone of friction

**Posted Date**:-2022-09-27 04:13:54

The system of forces acting on a moving body is in a dynamic equilibrium with the inertia force of the body. This low is known as

1. Impulse momentum theorem

2.Lami;s theorem

3.Work energy principle

4. D' Alembertâ€™s principle

**Posted Date**:-2022-09-27 03:47:43

Unit of constant of gravitation is

1.newton

2.m-sec

3.m/sec2

4. N m2 / kg2

**Posted Date**:-2022-09-27 04:37:40

When a body moves in a curved path, centrifugal force to be applied to bring it to dynamic equilibrium is in the direction

1. tangentially forward

2.tangentially backward

3. radially inward

4.radially outward

**Posted Date**:-2022-09-27 04:06:07

Which one of the following is fundamental law of forces?

1.Parallelogram law

2.Lami's theorem

3.Polygonal law

4.Triangle law

**Posted Date**:-2022-09-27 03:55:09

Which one of the following is indeterminate beam?

1.simply supported beam

2.one end hinged, other on roller

3. both ends hinged

4.cantilever

**Posted Date**:-2022-09-27 04:36:09

Which one of the following is not a vector?

1.acceleration

2.momentum

3.distance

4.velocity

**Posted Date**:-2022-09-27 04:25:57

Which one of the following is wrong in the list of assumptions for the analysis of pin jointed truss?

1.Ends of members are pin connected

2. Loads act vertically

3.Self weighted neglected

4.Load acts at joint only

**Posted Date**:-2022-09-27 03:52:28

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