Solving dynamics problems in steps:1. Collect data and assumptions2. Desired result?3. Make drawing/sketch of the (sub)problem4. Equations and calculations5. Answer and conclusionsFurthermore:---Write down the steps clearlyCheck intermediate results (accuracy)Dimension check and units!Magnitude of number in line with expectation? Question 3: For both the left and right figure, determine the angular acceleration a andthe acceleration of the mass center of the body when the force P = 6 N is applied asshown. The body consists of a uniform slender bar and a uniform disk, each of mass m/2. It rests on a smooth surface. The value of the mass m of the entire body is 1.2 kg.2xm/2-500 mmP = 6 Nm/2200 mmP = 6 N/y--xm/2-500 mmm/2200 mm

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Answered: Solving dynamics problems in steps: 1.…

Solving dynamics problems in steps: 1. Collect data and assumptions 2. Desired result? 3. Make drawing/sketch of the (sub)problem 4. Equations and calculations 5. Answer and conclusions

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Chapter5: Analysis Of Convection Heat Transfer

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

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Solving dynamics problems in steps:
1. Collect data and assumptions
2. Desired result?
3. Make drawing/sketch of the (sub)problem
4. Equations and calculations
5. Answer and conclusions
Furthermore:
-
-
-
Write down the steps clearly
Check intermediate results (accuracy)
Dimension check and units!
Magnitude of number in line with expectation?

Question 3: For both the left and right figure, determine the angular acceleration a and
the acceleration of the mass center of the body when the force P = 6 N is applied as
shown. The body consists of a uniform slender bar and a uniform disk, each of mass m/
2. It rests on a smooth surface. The value of the mass m of the entire body is 1.2 kg.
2
x
m/2
-500 mm
P = 6 N
m/2
200 mm
P = 6 N
/
y
--x
m/2
-500 mm
m/2
200 mm

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Step 1: Given data , Geometry and Free body diagram (Right figure)

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Step 2: Calculate the angular acceleration .

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Step 3: Given data , Geometry (Left figure)

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Step 4: Free body diagram and calculate the angular acceleration and the acceleration of the mass centre

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