Question
Asked Nov 11, 2019
33 views
2. A block of mass m = 5.0 kg is pulled along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 N at an
angle 0 25.0°. The coefficient of kinetic friction between the block and the floor is 0.45
(a) Make a free-body diagram for the block
(b) Calculate the magnitude of the kinetic friction force.
(c) Calculate the horizontal acceleration of the block.
F
help_outline

Image Transcriptionclose

2. A block of mass m = 5.0 kg is pulled along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 N at an angle 0 25.0°. The coefficient of kinetic friction between the block and the floor is 0.45 (a) Make a free-body diagram for the block (b) Calculate the magnitude of the kinetic friction force. (c) Calculate the horizontal acceleration of the block. F

fullscreen
check_circle

Expert Answer

Step 1

The free body diagram is shown above.

help_outline

Image Transcriptionclose

AN friction) Wmy

fullscreen
Step 2

(b)Write the expression of force along the vertical.

help_outline

Image Transcriptionclose

N Fsin mg N mg Fsine (5.0kg)(9.8m/s2-(65N) sin 25° 21.53 N

fullscreen
Step 3

Write the expression for kine...

help_outline

Image Transcriptionclose

(0.45) (21.53 N) 9.7 N

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

Kinematics

Related Physics Q&A

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

Q: 3. A small block with mass 3.0 kg is sent through point A with a speed of 8.0 m/s. Its path is witho...

A: (a) Consider the speed of the block at point A, that is the initial speed of the block, be vA, the s...

question_answer

Q: The planet Earth orbits around the Sun and also spins around its own axis. Calculate the angular mom...

A: Calculated values:Mass of the earth, M = 5.97 x 1024 kgRadius of the earth, R = 1.496 x 1011 mVeloci...

question_answer

Q: The fan blades on a jet engine make one thousand revolutions in a time of 25.7 ms. What is the angul...

A: The expression for the angular frequency of the blades is,

question_answer

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as s...

A: Click to see the answer

question_answer

Q: the first four parts please

A: The mass of the piano (m)Distance (d)The angle of incline

question_answer

Q: (a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis, treati...

A: (a). the moment of inertia of the sphere is

question_answer

Q: 67. Which graph best represents the motion of an object that has no unbalanced force on it? acting T...

A: Balance forces are two forces acting in opposite directions on an object, and equal in size. Anytime...

question_answer

Q: Given Info:   Coffee pot is plugged into 120 V wall socket and draws 3.83A. Takes 460W to run. The c...

A: The power needed for the coffee pot is

question_answer

Q: The engine in an imaginary sports car can provide constant power to the wheels over a range of speed...

A: The formula of power: