Seudónimo Seudónimo

01-10-2019
Physics

contestada

A 3.05 kg block is sliding across level ground with uk=0.250. what is the friction force?(unit=N)

Respuesta :

MathPhys MathPhys

01-10-2019

Answer:

7.48 N

Explanation:

Friction force equals the normal force times the coefficient of friction.

F = Nμ

For a block on level ground, the normal force equals the weight.

N = mg

Therefore:

F = mgμ

F = (3.05 kg) (9.81 m/s²) (0.250)

F = 7.48 N

Answer Link

Otras preguntas

grade 12 speech topics

Question 2 of 25 : Select the best answer for the question. 2. What is $3,850 minus $925 ? A. $925 B. $3,850 C. $2,925

Color: 4. You have 4 dimes, 8 nickels, 5 pennies, and 3 quarters. You draw three coins one after the other without replacement. What is the probability you draw

Decide whether the ordered pair (-1,4) is a solution of the equation 8x−2y=3.

Performance drama has changed a lot since Ancient Greece and Shakespeare. What is one of the most significant ways it has changed?

Why did Osama Bin Laden and Al-Qaeda plan and execute the September 11th, 2001 attacks on the U.S.

Please, I need help with this problem: A car of mass m travels at a constant speed (v) when it encounters a bump with a radius of curvature r. ➤ Determine, b

What is the ideology that believes in essential differences and a natural hierarchy between different so-called races of people?A. RacismB. MulticulturalismC. E

how does sodium metal conduct electricity?

True or False: Space is expanding, galaxies are not flying away from each other.