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

florence has only $420 in her hank account. describe how to find the amount after she writes a check for $590

There are two ways of adding two square numbers to make 65. Write a different square number in each box. [ ] + [ ].

Write five names for 64 .

WHAT COULD HAPPEN IN THE BODY IF PROTEINS OR ENZYMES LOST THEIR CONFORMATIONS OR WERE DENATURED?

Does the equator cross the northern or southern part of South America? South America is located mostly in which two hemispheres?

I'm inside the path I'm a difference of two numbers outside the paths what number am I

373 of 500 in fractions and decimal

how many atoms in C9H8O4

list the six enternal parts or peripherals of a computer system and identify which are output and which are input devices?

A 75 force is applied to the side of a crate resting on a level floor. The crate has a mass of 25kg. If the coefficient of static friction is .15, is the 75 N f