A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

43864

44052

43839

43833

43864

44052

43839

43833

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Applied Mechanics and Graphic Statics
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

0 and 5 m/sec

5√3 m/sec and 0

5 and 5√3 m/sec

5 m/sec and 0

0 and 5 m/sec

5√3 m/sec and 0

5 and 5√3 m/sec

5 m/sec and 0

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Applied Mechanics and Graphic Statics
A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity)

(2/5) g sin 0

(5/7) g sin0

(3/7) g sin 0

(1/3) g sin0

(2/5) g sin 0

(5/7) g sin0

(3/7) g sin 0

(1/3) g sin0

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Applied Mechanics and Graphic Statics
A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is

1

e4*

e2*

e*72

1

e4*

e2*

e*72

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Applied Mechanics and Graphic Statics
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

125.5 mm from A

132.5 mm from A

119.5 mm from A

109.5 mm from A

125.5 mm from A

132.5 mm from A

119.5 mm from A

109.5 mm from A

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Applied Mechanics and Graphic Statics
The forces which meet at one point and have their lines of action in different planes are called

Coplanar non-concurrent forces

Non-coplanar concurrent forces

Non-coplanar non-current forces

Intersecting forces

Coplanar non-concurrent forces

Non-coplanar concurrent forces

Non-coplanar non-current forces

Intersecting forces

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

Applied Mechanics and Graphic Statics A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity)

Applied Mechanics and Graphic Statics A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics The forces which meet at one point and have their lines of action in different planes are called

Applied Mechanics and Graphic Statics
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

Applied Mechanics and Graphic Statics
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

Applied Mechanics and Graphic Statics
A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity)

Applied Mechanics and Graphic Statics
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics
The forces which meet at one point and have their lines of action in different planes are called