Question
Asked Nov 16, 2019
5 views

A block of mass 

m = 5.5 kg

 is pulled up a 

θ = 22°

 incline as in the figure below with a force of magnitude F = 36 N.

 
 
(a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration.)
 m/s2

(b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration.)
 m/s2
m
help_outline

Image Transcriptionclose

m

fullscreen
check_circle

Expert Answer

Step 1

The below diagram represents the free body diagram of the block .

help_outline

Image Transcriptionclose

Pmg sine fe 26 mg ng cuse

fullscreen
Step 2
help_outline

Image Transcriptionclose

considering the surface is frictionless Write the net force along horizontal direction from the free body diagram F-mgsin 0 ma F -mgsin т (36N)-(5.5kg)(9.8m/s )sin 22° (5.5kg) =2.87 m/s (a)The accleration of the block if the incline is frictionless is 2.87m/s

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Newtons Laws of Motion

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A 2.4-kΩ resistor and a 2.1-μF capacitor are connected in series to an ac source. Calculate the impe...

A: Consider a series R-C circuit having ac source frequencies f1 and f2.

question_answer

Q: 90.0g of Ethyl alcohol is mixed with 200g of water.  If the mixture is heated from 20 degrees celciu...

A: Given,

question_answer

Q: A pendulum makes 3 swings in 9.4 seconds. What is the frequency of oscillation?

A: The number of swings (n),

question_answer

Q: A cord 13.70m long has a mass of 2.680 grams. (a) What is its linear mass density in kg/m? (b) For t...

A: a)Write the equation for linear mass density of the cord.

question_answer

Q: A centrifuge in a medical laboratory rotates at an angular velocity of 3600 rev/min.  When switched ...

A: Let the initial and final angular velocities of the centrifuge be denoted as ωo and ωf .Let the angu...

question_answer

Q: a 75-kg fisherman in a 125-kg boat throws a package of mass m = 15 kg horizontally toward the right ...

A: The expression for the velocity,

question_answer

Q: There is a closed pipe that is 40 cm long. How many audible harmonics are there for this pipe?

A: Given,

question_answer

Q: Ch 26, problem 10 A spectator, seated in the left field stands, is watching a 2.0-m-tall baseball pl...

A: (a) The angular size of the player as seen by the spectator watching the game live is

question_answer

Q: A traveling wave is described by the equation (x,t)=1.2cm sin[2pi(x/2.7 + t/0.3)] where x is in mete...

A: the equation for the wave is,