santiestebank25 santiestebank25
  • 15-05-2020
  • Physics
contestada

A 20-kilogram box is sitting on an inclined plane with a 30-degree slope. If the box is at rest, what is the force
on the box due to friction?

Respuesta :

Xema8 Xema8
  • 21-05-2020

Answer:

Explanation:

The box is at rest because , the component of weight along the surface downwards is equal to frictional force .

frictional force = mgsinθ

= 20 x 9.8 sin 30

= 98 N .

Answer Link

Otras preguntas

Is the following a proportion? 2/3 and 10/20 A) Proportion B) Not a proportion
Brian spins a fair spinner numbered 1 - 5 and flips a fair coin. What is the probability of obtaining a 2 and a head?
I need help with life science 7B Unit 8 for middle school​
the upper part of graft combination is called ...
A hummingbird may flap its wings anywhere from 64,800 to 280,800 times in an hour. Round the smaller number to the thousands place.
he drawing below shows an invention patented by Sarah E. Goode in 1885 For what task would this object have been used? to store clothes to wash dishes to sl
Phillip walks 2/7 each morning and 4/7 mile each evening. How far does Phillip walk each day?
Is the following a proportion? 2/3 and 10/20 A) Proportion B) Not a proportion
What is the education requirements to work in emergency medicine
1. 40° 2. 65° 3.75° 4.90°