A block is placed on a plane that is inclined at 30 o to the horizontal. The coefficients of static and kinetic friction for the block on the inclined plane are 0.5 and 0.4, respectively. The block
|
a |
accelerates down the inclined plane. |
|
b |
travels down the inclined plane at constant velocity. |
|
c |
travels up the inclined plane at constant velocity. |
|
d |
remains stationary on the inclined plane. |
![l mysing E 300 Net force is zero Ingroso l sog f= mg sind 5380 .. un= mg sino .: (N = ngase] > Mangsing ngcoso u=tand = tan (](http://img.homeworklib.com/questions/29cc90e0-aa7c-11eb-8750-278181ac93e6.png?x-oss-process=image/resize,w_560)
A block is placed on a plane that is inclined at 30 o to the horizontal....
A block is placed on a plane that is inclined at 30° with respect to the horizontal. If the block slides down the plane with an acceleration of g/3, determine the coefficient of kinetic friction between the block and the plane
4. A block is placed on a plane inclined at 35 relative to the horizontal. If the block slides down the plane with an acceleration of magnitude g/3, determine the coefficient of kinetic friction between block and plane? (a) 0.331 0.29% (d)0.041
Ex: Friction and inclined plane. A box of mass 10 kilograms is placed on an inclined plane so that it is at rest. The coefficients of static and kinetic friction between the surfaces of the plane and the box Are 0.4 and 0.3 respectively. a) For what value of the angle of inclination of the plane the box will start sliding down the plane ? b) Find out its acceleration as it slides down the plane. We were unable to...
A block of mass m1 is placed on an inclined plane with
slope angle ? and is connected to a second hanging block
m2 by means of an ideal string and pulley as shown. The
coefficient of kinetic friction is is ?k . Draw free body diagrams
(include all forces, formulas and:
a) Find the mass m2 such that m1
moves up the plane at constant velocity once in motion.
b) Now find the mass m2 such that
m1 moves...
A 10 kg block is placed on an inclined plane that is at an angle of 30 degrees with respect to the horizontal. THe coefficient of kinetic friction between the block and the plane is .1. The block is released from rest at 5m above a spring that is also lying on the plane. The spring has a constant of 50 N/m. What is the max compression of the spring?
A 9-kg block is placed on a frictionless plane inclined at an angle of 30° to the horizontal. A horizontal force is then applied to the block to keep it stationary. Find the magnitude of this applied force A. 30 N B. 40 N C. 50 N D. 60 N E. 70N
A 2-kg block is placed on a plane inclined at an angle of 30 to the horizontal and is connected to a spring fastened at the top of the plane. The spring is parallel to the incline and has a force constant of 100 N/m. The block is released from rest when the spring has its equilibrium length. If the block moves a distance of 10 cm before coming to an instantaneous rest, find the magnitude of the force of...
a 50kg block is pushed 40m up an inclined plane that makes an angle of 35 degrees with the horizontal by a constant force or 400N acting parallel to the plane. the coefficient of kinetic friction between the block and the inclined plane is .25. a) how much work is done by the 400N force? b) what is the increase of the potential energy of the block? c) what work is friction doing? d) what is the increase in the...
A block of mass 5 kilograms lies on an inclined plane, as shown above. The horizontal and vertical supports for the plane have lengths of 4 meters and 3 meters, respectively. The coefficient of kinetic friction between the plane and the block is 0.3. The magnitude of the force F necessary to pull the block up the plane with constant speed is most nearly (A) 30 N (B) 41 N (C) 49 N (D) 50 N (E) 58 N
19) A brick on an inclined plane with an angle of 30° to the horizontal has a mass of 3 kg. A horizontal force F with a magnitude of 50 N is applied to the brick, such that a component of that force pushes the brick up the plane. The coefficient of kinetic friction between the brick and the inclined plane is 0.15 М 30 30° a) Use Newton's 2nd law to determine the magnitude of the normal force on...