In a simple harmonic motion, the position of equilibrium is always_________________?
B. unstable
C. neutral
D. none of the above
B. unstable
C. neutral
D. none of the above
B. unstable
C. neutral
D. none of the above
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Force polygon method is applicable for_____________________?
Force polygon method is applicable for_____________________? A. any copianar force system
B. a system of parallel forces only
C. concurrent copianar force system(Correct)
D. non-concurrent copianar force systemCartesian form of the equation of catenary is_________________?
Cartesian form of the equation of catenary is_________________? A. y = c cosh x/c(Correct)
B. y = c sinh x/c
C. y = c tan x/c
D. y = c sin”1 x/cIn a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________?
In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________? A. 30
B. 50(Correct)
C. 60
D. 80The angle of projection at which the horizontal range and maximum height of a projectile are equal to_____________________?
The angle of projection at which the horizontal range and maximum height of a projectile are equal to_____________________? A. 36°
B. 45°
C. 56°
D. 76✔