Try the fastest way to create flashcards
Question

What are the mass and weight of (a)(a) a 14201420-lb snowmobile and (b)(b) a 412412-kg heat pump?

Solution

Verified
Step 1
1 of 3

(a.)\text{\textcolor{#c34632}{(a.)}} Use conversion factor of force to express the values in desired units.

With 1 lb=4.448 N1 \text{ lb} = 4.448 \text{ N}, we get

W=(1420 lb)(4.448 Nlb)=6320 NW = (1420 \text{ lb}) \left( 4.448 \mathrm{~\dfrac{N}{lb}}\right) = 6320 \text{ N}

The formula of weight is defined by

W=mgW = mg

Solving for mm, we find

m=Wg=6320 kgms29.8 ms2=646 kg\begin{align*} m = \dfrac{W}{g} = \dfrac{6320 \mathrm{~\dfrac{kg \cdot m}{s^2}}}{9.8 \mathrm{~\dfrac{m}{s^2}}} = 646 \text{ kg} \end{align*}

W=6320 N,m=646 kg\boxed{\therefore W = 6320 \text{ N}, m =646 \text{ kg} }

Create a free account to view solutions

Create a free account to view solutions

Recommended textbook solutions

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics 4th Edition by Randall D. Knight

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

4th EditionISBN: 9780133942651 (8 more)Randall D. Knight
3,508 solutions
Mathematical Methods in the Physical Sciences 3rd Edition by Mary L. Boas

Mathematical Methods in the Physical Sciences

3rd EditionISBN: 9780471198260 (1 more)Mary L. Boas
3,355 solutions
Physics, Volume 1 5th Edition by David Halliday, Kenneth S. Krane, Robert Resnick

Physics, Volume 1

5th EditionISBN: 9780471320579 (3 more)David Halliday, Kenneth S. Krane, Robert Resnick
2,456 solutions
Fundamentals of Physics 10th Edition by David Halliday, Jearl Walker, Robert Resnick

Fundamentals of Physics

10th EditionISBN: 9781118230718 (3 more)David Halliday, Jearl Walker, Robert Resnick
8,971 solutions

More related questions

1/4

1/7