A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

0.4

0.25

0.33

0.5

0.4

0.25

0.33

0.5

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Applied Mechanics and Graphic Statics
Periodic time of body moving with simple harmonic motion, is

Inversely proportional to its angular velocity

Directly proportional to the square of its angular velocity

Directly proportional to its angular velocity

Inversely proportional to the square of its angular velocity

Inversely proportional to its angular velocity

Directly proportional to the square of its angular velocity

Directly proportional to its angular velocity

Inversely proportional to the square of its angular velocity

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Applied Mechanics and Graphic Statics
The following is not a law of static friction:

The force of friction is dependent upon the area of contact

The force of friction always acts in a direction opposite to that in which the body tends to move

The force of friction depends upon the roughness of the surface

The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces

The force of friction is dependent upon the area of contact

The force of friction always acts in a direction opposite to that in which the body tends to move

The force of friction depends upon the roughness of the surface

The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces

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Applied Mechanics and Graphic Statics
One Newton force, is

10⁶ dynes

10³ dynes

10⁵ dynes

10⁴ dynes

10⁶ dynes

10³ dynes

10⁵ dynes

10⁴ dynes

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Applied Mechanics and Graphic Statics
If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

P sin θ/P - Q cos θ

Q sin θ/P + Q cos θ

Q sin θ/P + Q sin θ

P sin θ/P + Q tan θ

P sin θ/P - Q cos θ

Q sin θ/P + Q cos θ

Q sin θ/P + Q sin θ

P sin θ/P + Q tan θ

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Applied Mechanics and Graphic Statics
The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is

8.75 cm

7.85 cm

5.0 cm

7.5 cm

8.75 cm

7.85 cm

5.0 cm

7.5 cm

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics Periodic time of body moving with simple harmonic motion, is

Applied Mechanics and Graphic Statics The following is not a law of static friction:

Applied Mechanics and Graphic Statics One Newton force, is

Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is

Applied Mechanics and Graphic Statics
A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is

Applied Mechanics and Graphic Statics
Periodic time of body moving with simple harmonic motion, is

Applied Mechanics and Graphic Statics
The following is not a law of static friction:

Applied Mechanics and Graphic Statics
One Newton force, is

Applied Mechanics and Graphic Statics
If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

Applied Mechanics and Graphic Statics
The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is