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Civil Engineering - Applied Mechanics

Exercise : Applied Mechanics - Section 1
21.
If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is movng downwards, the acceleration of the lift, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
One Newton force, is
103 dynes
104 dynes
105 dynes
106 dynes
107 dynes.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is , the velocities of separation of the balls will be equal to
original velocity in the same direction
half the original velocity in the same direction
half the original velocity in the opposite direction
original velocity in the opposite direction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called
angle of repose
angle of friction
angle of inclination
none of these.
Answer: Option
Explanation:
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25.
Work may be defined as
force x distance
force x velocity
force x acceleration
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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