Asked Nov 17, 2019

A block of mass m = 5.6 kg is pulled up a θ = 24° incline as in the figure below with a force of magnitude F = 38 N.

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

(b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.11. (Give the magnitude of the acceleration.)


Expert Answer

Step 1



Image Transcriptionclose

Mass of block,m 5.6 Kg Force,F 38 N 0-24°

Step 2

Part (a):

When the surface is frictionless then forces acting on the component are shown below,


Image Transcriptionclose

mg sin e mg cose mg

Step 3

Acceleration of block using Newton&rs...


Image Transcriptionclose

F-mg sin ma 38- (56)(9.80)sin 24° - (5.6)а 15.67 5.6 а32.799 m/s? a 2.8 m/s2


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



Newtons Laws of Motion

Related Physics Q&A

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

Q: Calculate the magnitude of the normal force on a 20.2 kg block in the following circumstances. (Ente...

A: (a)Consider the free body diagram.


Q: Suppose ε = 10.0 V , R1 = 190 Ω , and R2 = 310 Ω . (Figure 1 attached) Please help me to conceptuali...

A: We know:


Q: Microwave ovens typically cook food using microwaves with frequency 2.45 GHz. What is the correspond...

A: (a) Write the relation for wavelength and frequency of microwaves


Q: What is the average kinetic energy of a molecule in a monoatomic gas if the Celsius temperature is 1...

A: Temperature of monatomic ideal gas is


Q: A spring has a force constant of 12.9 N/m and a rest length of 0.25 m. Some amount of work is expend...

A: The work done expended to stretch the spring is


Q: You need to push the couch 4 m to the other side of the room. After the initial push to get it going...

A: (a) The magnitude and direction of the net force on the couch is


Q: A block of mass  m = 5.5 kg  is pulled up a  θ = 22°  incline as in the figure below with a force of...

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


Q: A spring has a force constant of 19.0 N/m and a rest length of 0.25 m. How much work must be done to...

A: On stretching the spring, applied force and displacement is in same direction. Work done is,


Q: A 22 g ball with a radius of 24 mm rolls back and forth in a hemispherical bowl of radius 7.5 cm. (a...

A: Consider the ball of mass m with radius r rolling back and forth inside the hemispherical bowl of ra...