According to Newtons second law of motion, which is equal to the acceleration of an object?A: net force + massB: net force x mas
2 answers:
Answer:
The acceleration of an object is equal to the net force divided by the mass of the object.
(D) is correct option.
Explanation:
According to Newton's second law of motion
The net force is equal to the product of the mass of the object and the acceleration of the object.
In mathematically terms,
The acceleration is
Where, a = acceleration
F = net force
m = mass
Hence, The acceleration of an object is equal to the net force divided by the mass of the object.
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Answer:
a) The shear stress is 0.012
b) The shear stress is 0.0082
c) The total friction drag is 0.329 lbf
Explanation:
Given by the problem:
Length y plate = 2 ft
Width y plate = 10 ft
p = density = 1.938 slug/ft³
v = kinematic viscosity = 1.217x10⁻⁵ft²/s
Absolute viscosity = 2.359x10⁻⁵lbfs/ft²
a) The Reynold number is equal to:
The boundary layer thickness is equal to:
ft
The shear stress is equal to:
b) If the railing edge is 2 ft, the Reynold number is:
The boundary layer is equal to:
The sear stress is equal to:
c) The drag coefficient is equal to:
The friction drag is equal to: