The C.G. of a solid hemisphere lies on the central radius 3r

Engineering Mechanics
The C.G. of a solid hemisphere lies on the central radius 3r

At distance — from the plane base 3r

At distance — from the plane base

At distance — from the plane base 3r

At distance — from the plane base

At distance — from the plane base 3r

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Engineering Mechanics
A framed structure is imperfect, if the numbers of members are __________ (2j - 3).

Either (B) or (C)

Equal to

Less than

Greater than

Either (B) or (C)

Equal to

Less than

Greater than

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Engineering Mechanics
Which is the correct statement about law of polygon of forces?

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium

If a polygon representing forces acting at a point is closed then forces are in equilibrium

If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium

If a polygon representing forces acting at a point is closed then forces are in equilibrium

If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium

If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

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Engineering Mechanics
The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as

Like parallel forces

Coplanar non-concurrent forces

Coplanar concurrent forces

Unlike parallel forces

Like parallel forces

Coplanar non-concurrent forces

Coplanar concurrent forces

Unlike parallel forces

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Engineering Mechanics
If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by

(u₁ - u₂)/(v₁ - v₂)

(v₁ - v₂)/(u₁ - u₂)

(u₂ + u₁)/(v₂ + v₁)

(v₂ - v₁)/(u₁ - u₂)

(u₁ - u₂)/(v₁ - v₂)

(v₁ - v₂)/(u₁ - u₂)

(u₂ + u₁)/(v₂ + v₁)

(v₂ - v₁)/(u₁ - u₂)

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Engineering Mechanics
The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by

P + Q

P / Q

P - Q

Q / P

P + Q

P / Q

P - Q

Q / P

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Engineering Mechanics

Engineering Mechanics The C.G. of a solid hemisphere lies on the central radius 3r

Engineering Mechanics A framed structure is imperfect, if the numbers of members are __________ (2j - 3).

Engineering Mechanics Which is the correct statement about law of polygon of forces?

Engineering Mechanics The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as

Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by

Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by

Engineering Mechanics
The C.G. of a solid hemisphere lies on the central radius 3r

Engineering Mechanics
A framed structure is imperfect, if the numbers of members are __________ (2j - 3).

Engineering Mechanics
Which is the correct statement about law of polygon of forces?

Engineering Mechanics
The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as

Engineering Mechanics
If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by

Engineering Mechanics
The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by