The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

Engineering Mechanics
The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

None of these

20 N

500 N

100 N

None of these

20 N

500 N

100 N

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Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Both of above are correct

Constant

Equal to the moment of the couple

Both of above are wrong

Both of above are correct

Constant

Equal to the moment of the couple

Both of above are wrong

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Engineering Mechanics
Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

Upwards

Downwards

None of these

Horizontal

Upwards

Downwards

None of these

Horizontal

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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 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 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, 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 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

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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

(v₁ - v₂)/(u₁ - u₂)

(u₁ - u₂)/(v₁ - v₂)

(v₂ - v₁)/(u₁ - u₂)

(u₂ + u₁)/(v₂ + v₁)

(v₁ - v₂)/(u₁ - u₂)

(u₁ - u₂)/(v₁ - v₂)

(v₂ - v₁)/(u₁ - u₂)

(u₂ + u₁)/(v₂ + v₁)

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Engineering Mechanics
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

Four times

Nine times

Six times

Two times

Four times

Nine times

Six times

Two times

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Engineering Mechanics

Engineering Mechanics The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is

Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

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

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

Engineering Mechanics
The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Engineering Mechanics
Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

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

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