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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan"1 x, where x is (Assume g = 10 m/sec²)

43959
43832
44079
43898

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Applied Mechanics and Graphic Statics
The rate of change of displacement of a body with respect to its surrounding, is known

Velocity
Acceleration
Speed
None of these

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Applied Mechanics and Graphic Statics
The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are

1 kg and 4 kg
3 kg and 5 kg
2 kg and 3 kg
√3 kg and √5 kg

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Applied Mechanics and Graphic Statics
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is

43833
43835
43864
43895

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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 and 5√3 m/sec
5√3 m/sec and 0
5 m/sec and 0

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Applied Mechanics and Graphic Statics
A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is

16 m/sec
20 m/sec
18 m/sec
22 m/sec

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