This quiz assesses foundational concepts in Applied Mechanics for first-year Electrical Engineering students, covering units of force, power, scalar and vector quantities, and principles of moments and couples.
Every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force
The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts
To every action, there is always an equal and opposite reaction
All the above
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N = j - 1
N = 2j - 1
N = 3j - 3
N = 2j - 3
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Linear
Parabolic
Cubical
Circular
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Right angled triangle
Circle
Square
Rectangle
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Eentripetal force of earth
Gravitational pull exerted by the earth
Forces experienced by body in atmosphere
Force of attraction experienced by particles
Gravitational force of attraction towards the center of the earth
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Energy
Momentum
Angle
Speed
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Arithmetic sum of the moments of all the forces on either side of the section
Arithmetic sum of the forces on either side of the section
Algebraic sum of the moments of all the forces on either side of the section
None of these
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Magnitude
Direction
Position or line of action
All of the above
None of the above
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Time
Mass
Acceleration
Volume
Density
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KW (kilowatt)
Hp (horse power)
Kcal/sec
Kcal/kg sec
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Force x distance
Force x velocity
Force x acceleration
None of these.
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The C.G. of a circle is at its centre
The C.G. of a triangle is at the intersecton of its medians
The C.G. of a rectangle is at the intersection of its diagonals
The C.G. of a semicircle is at a distance of r/2 from the centre
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One-half of the total height above base
One-third of the total height above base
One-fourth of the total height above base
None of these.
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One point
One plane
Different planes
Perpendicular planes
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The center of heavy portion
The mid point of its axis
The bottom surface
None of the above
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N = 2j - 1
N = 2j < 3
N = 2j > 3
N = j - 1
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One point
Two points
Different plane
Perpendicular planes
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Forces
Independence of forces
Dependence of forces
Resolution of forces
Balance of force
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Algebraic sum of forces, constituting a couple is zero
Algebraic sum of moments of forces, constituting a couple, about any poin, is same
A couple can be balanced only by a couple but of opposite sense
A couple can be never the balanced by a single force
All the above.
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Shear or Tension
Buckling or shear
Tensile
Compression
Compression or Tensile
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M
M2
M3
M4
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Triangle
Rectangle
Parabola
Cubic parabola
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Straight line
Parabola
Hyperbola
Elliptical
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Equal to the moment of the couple
Constant
Both of above are correct
Both of above are wrong
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Three forces acting at a point are always in equilibrium
If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium
Three coplaner forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two
Three coplaner forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two
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Equal to the moment of the couple
Constant
Both of above are correct
Both of above are wrong
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Is maximum
Is minimum
Is equal
Changes sign
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Straight line
Involute
Centroid
Spiral
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Concurrent
Parallel
Concurrent parallel
None of these
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Horizontal forces to zero
Vertical forces to zero
Moment about any point to zero
All the above.
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Light year
Angstrom
Micron
Milestone
Millimetre
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The same line in the same sense
The same line in opposite sense
The perpendicular to both the lines
None of these.
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Least at the centre
Least at the supports
Maximum at the supports
Maximum at the centre
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Reducing the problem of kinetics to equivalent statics problem
Determining stresses in the truss
Stability of floating bodies
Designing safe structures
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Newton
Kg/cm
Atmosphere
Millimeter
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Volume of the body is assumed to be concentrated
Area of the surface of the body is assumed to be concentrated
Weight of the body is assumed to be concentrated
All the above.
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Kg-m
Kg/m2
Kg/sec2
Kg/sec
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Three forces acting at a point will be in equilibrium
Three forces acting at a point can be represented by a triangle, each side being proportional to force
If three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
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Coplaner non-concurrent forces
Non-coplaner concurrent forces
Non-coplaner non-current forces
Intersecting forces
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Zero
Maximum
Minimum
Average of maximum-minimum
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Power of doing work
Capacity of doing work
Rate of doing work
All the above
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If a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium
If forces acting on a point can be represented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon
If forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order
If forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium.
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1
2
3
0
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Not a replace them by a single force
To replace them by a single force
To replace them by a single force through C.G
To replace them by a couple
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Balance each other
Constitute a moment
Constitute a couple
Constitute a moment of couple
Constitute a resultant couple
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Their total sum is zero
Two resolved parts in two directions at right angles are equal
Sum of resolved parts in any two per-pendicular directions are both zero
All of them are inclined equally
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Nature of surfaces
Area of contact
Shape of the surfaces
All of the above
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Sum of resolved parts in any two directions at right angles, are both zero
Algebraic sum of the forces is zero
Two resolved parts in any two directions at right angles are equal
Algebraic sum of the moments of the forces about the point is zero
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