###### Engineering Mechanics Statics -Solutions manual

921 SOLVED PROBLEMS

Question: 1.7

## The pascal (Pa) is actually a very small unit of pressure. To show this, convert 1Pa = 1 N/m² to lb/ft². Atmospheric pressure at sea level is 14.7 lb/in² . How many pascals is this?  ...

Using Table 1–2, we have 1\;\mathrm{Pa}={\f...
Question: 2.108

## Determine the magnitude and coordinate direction angles of the resultant force. Set FB = 630 N, FC = 520 N and FD = 750 N, and x = 3 m and z = 3.5 m. ...

Force Vectors: The unit vectors u _B, u _C ...
Question: 7.51

## The shaft is supported by a thrust bearing at A and a journal bearing at B. If L = 10 ft, the shaft will fail when the maximum moment is Mmax = 5 kip · ft. Determine the largest uniform distributed load the shaft will support. ...

For $0 \leq x \leq L$ \hookri...
Question: 2.92

## If FB = 560 N and FC = 700 N, determine the magnitude and coordinate direction angles of the resultant force acting on the flag pole. ...

Force Vectors: The unit vectors \mathbf{u}_...
Question: 2.57

## If F2 = 150 and θ = 55°, determine the magnitude and direction, measured clockwise from the positive x axis, of the resultant force of the three forces acting on the bracket. ...

Scalar Notation: Summing the force components alge...
Question: 1.15

## Determine the mass of an object that has a weight of (a) 20 mN, (b) 150 kN, and (c) 60 MN. Express the answer to three significant figures. ...

Applying Eq. 1–3, we have a)  m = \frac{W}{...
Question: 1.5

## Represent each of the following quantities in the correct SI form using an appropriate prefix: (a) 0.000 431 kg, (b) 35.3(10^3) N, and (c) 0.005 32 km. ...

 \text { a) } 0.000431 \mathrm{~kg}=0.00043...
Question: 1.4

## Represent each of the following combinations of units in the correct SI form using an appropriate prefix: (a) m/ms, (b) μkm, (c) ks/mg, and (d) km · μN. ...

\text { a) } \mathrm{m} / \mathrm{ms}=\left...
Question: 1.2

## Wood has a density of 4.70 slug/ft^3. What is its density expressed in SI units? ...

\left(4.70  \mathrm{slug} /  \mathrm{ft}^3\...