Question: Explain why an applied force is necessary to keep the bar in Figure Q31.5 moving with a constant speed.

Explain why an applied force is necessary to keep the bar in Figure Q31.5 moving with a constant speed.

Step by Step Solution

★★★★★

3.45 Rating (171 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

We ignore mechanical friction between the bar and the rails Moving t... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

P-E-F-L (78).docx

120 KBs Word File

Students Have Also Explored These Related Electricity and Magnetism Questions!

Q:

A proton moving with a constant speed has a total energy 3.5 times its rest energy. What are the protons (a) Speed, (b) Kinetic energy, and (c) Momentum?

Q:

A jet pilot puts an aircraft with a constant speed into a vertical circular loop. (a) Which is greater, the nor-mal force exerted on the seat by the pilot at the bottom of the loop or that at the top...

Q:

An osprey flies horizontally with a constant speed of 6.8 m/s when it drops the fish it was carrying. How much time elapses after the fish is dropped before the speed of the fish doubles?

Q:

Pls answer all the questions according and to the best of your capabilities Uniform Circular Motion Activity Sheet A6 Purpose: The purpose of this activity is to explore the characteristics of the...

Q:

Final Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following is a pair of scalar quantities? a. Speed Distance c....

Q:

Part B: Newton's 2 nd law of motion 1. Acceleration and Force *Open the PhEt simulation first https://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-basics_en.html 1)...

Q:

(Please open this question on desktop to view the photo as it sometimes doesn't show on phones, thanks!) Please solve the following and show the steps of how you solved it. Answers are included at...

Q:

17 9) Try turning the block so it is on a smaller face (side). What is the effect on the Fir? _ 10) Try moving the block at a faster constant velocity. What is the effect on Fr? Analysis: Create a...

Q:

17 9) Try turning the block so it is on a smaller face (side). What is the effect on the Fir? _ 10) Try moving the block at a faster constant velocity. What is the effect on Fr? Analysis: Create a...

Q:

Consider the circuit, shown in the figure, that is made up of the 1 2 resistor, the two rails, and the bar connecting the two rails. The bar can slide on the rails to the left or right. The...

Q:

Compute the future value of $10,000 at an interest rate of 10 percent 5, 10, and 15 years into the future. What would the future value be over these time horizons if the interest rate were 7 percent?...

Q:

In 1989, fathers who stayed at home were surveyed about why they stayed at home. A similar survey was carried out in 2012. The fathers responses and the relative frequencies are described by the...

Q:

Question 2 1 pts City Savings Bank's saving's account pays 7 % APR and compounds interest semiannually. Maryland Bank pays 6 . 9 5 % APR and compounds interest monthly. Which bank should a depositor...

Q:

Teak Outdoor Furniture manufactures wood patio furniture. The company reports the following costs for June 2012: Wood . . . . . . . . . . . . . . . . . . . . . . . . $ 250,000 Nails, glue, and stain...

Q:

(a) In Example 2.35, suppose all the lights are initially off. Can we push the switches in some order so that only the second and fourth lights will be on? (b) Can we push the switches in some order...

Q:

Teak Outdoor Furniture manufactures wood patio furniture. If the company reports the following costs for June 2014, what is the balance in the Manufacturing Overhead account before overhead is...

Q:

Sparrow Furniture manufactures wood patio furniture. If the company reports the following costs for June 2016, what is the balance in the Manufacturing Overhead account before overhead is allocated...

Q:

Budgeted selling and administrative expenses for King Tire Co. in P for the year ended December 31, 2016, were as follows: Advertising expense .......................................... $942,000...

Q:

The amount of time needed for a certain machine to process a job is a random variable with mean EX i = 10 minutes and Var(X i ) = 2 minutes 2 . The times needed for different jobs are independent...

Q:

I WILL GIVE DISLIKES ! ! ! IF ANYTHING WRONG HAPPENS IN MY QUESTION, BETTER SKIP IT ! ! ! " No doneu la soluci i l'explicaci . 2 No resolgueu sin et castigar . Detecta perills en el programa seg ent...

Q:

Check my work If you invest $9,900 per period for the following number of periods, how much would you have in each of the following instances? a. In 8 years at 9 percent? (Do not round intermediate...

Q:

A reputable research firm recently asked 2126 adults and 1036 high-ranking college administrators in a certain country whether they would "rate the job the higher education system is doing in...