Engineering Mechanics Statics -Solutions manual 13th. Edition by Russell Charles Hibbeler | 9780132915540 | 0132915545 | Holooly

Mechanics Statics

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? ...

Verified Answer:

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. ...

Verified Answer:

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. ...

Verified Answer:

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. ...

Verified Answer:

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. ...

Verified Answer:

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. ...

Verified Answer:

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. ...

Verified Answer:

\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. ...

Verified Answer:

\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? ...

Verified Answer:

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

Question: 1.1

Round off the following numbers to three significant figures: (a) 58 342 m, (b) 68.534 s, (c) 2553 N, and (d) 7555 kg. ...

Verified Answer:

a) 58.3 km b) 68.5 s c) 2.55 kN d) 7.56 Mg

Loading...