A 50-kg block rests on a horizontal surface. The coefficient of static friction u(s) = 0.50....

A 50-kg block rests on a horizontal surface. The coefficient of static friction u(s) = 0.50. The coefficient of kinetic friction u(k) = 0.35. A force of 250 N is applied as shown (to the right). ***Please show all work and how to tell if accelerates or moves at constance velocity.*** A) The block remains at rest. B) The block moves and continues to move at a constant velocity. C) The block accelerates to the right. D) The block doesn't move until Force is increased to greater than 490N. E) No conclusions can be drawn concerning the movement of the block from the information given.

Expert Solution

genius_generous answered 5 months ago

A mass of 8 kg rests on a floor with a coefficient of static friction of...

A mass of 8 kg rests on a floor with a coefficient of static friction of 0.88 and coefficient kinetic friction of 0.33. One force is applied vertically downward of 28 Newtons and another force is applied at an angle of 26 degrees below the horizontal. Calculate what the magnitude this force needs to be in order to begin to move the mass. If that force is removed and another force is applied at an angle of 26 degrees above...

A mass of 9 kg rests on a floor with a coefficient of static friction of...

A mass of 9 kg rests on a floor with a coefficient of static friction of 0.92 and coefficient kinetic friction of 0.37. One force is applied vertically downward of 22 Newtons and another force is applied at an angle of 26 degrees below the horizontal. Calculate what the magnitude this force needs to be in order to begin to move the mass. If that force is removed and another force is applied at an angle of 26 degrees above...

A 1.9 kg block slides along a horizontal surface with a coefficient of kinetic friction μk...

A 1.9 kg block slides along a horizontal surface with a coefficient of kinetic friction μk = 0.30. The block has a speed v = 1.4 m/s when it strikes a massless spring head-on. If the spring has force constant k = 120 N/m, how far is the spring compressed? What minimum value of the coefficient of static friction, μS, will assure that the spring remains compressed at the maximum compressed position? If μS is less than this, what is...

A 4.0- kg wooden block rests on a level table. The coefficient of friction between the...

A 4.0- kg wooden block rests on a level table. The coefficient of friction between the block and the table is 0.22. A 5.0- kg mass is attached to the block by a horizontal string passed over a frictionless pulley of negligible mass. Now, the 5.0- kg mass is released and the whole system accelerates. What is the acceleration of the wooden block? What is the tension in the string during the acceleration? Determine the acceleration for the above situation...

A block of mass m1=6.6 kg rests on a frictionless horizontal surface. A second block of...

A block of mass m1=6.6 kg rests on a frictionless horizontal surface. A second block of mass m2=9.4 kg hangs from an ideal cord of negligible mass, which runs over an ideal pulley and then is connected to the side of the first block. The blocks are released from rest. How far will block 1 move during the 1.1 second interval?

A 5.340 kg5.340 kg block of wood rests on a steel desk. The coefficient of static...

A 5.340 kg5.340 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is ?s=0.455μs=0.455 and the coefficient of kinetic friction is ?k=0.155.μk=0.155. At time ?=0,t=0, a force ?=14.7 NF=14.7 N is applied horizontally to the block. State the force of friction applied to the block by the table at times ?=0t=0 and ?>0 Consider the same situation, but this time the external force ?F is 29.6 N.29.6 N. Again,...

The coefficient of friction between the block of mass m1 = 3.00 kg and the surface...

The coefficient of friction between the block of mass m1 = 3.00 kg and the surface in the figure below is μk = 0.455. The system starts from rest. What is the speed of the ball of mass m2 = 5.00 kg when it has fallen a distance h = 1.10 m?

The coefficients of static and kinetic friction between a 50 kilogram box and a horizontal surface...

The coefficients of static and kinetic friction between a 50 kilogram box and a horizontal surface are 0.60 and 0.40, respectively. (a) What is the acceleration of the object if a 250 newton horizontal force is applied to the box? (b) What if the applied force is 350 N?

A 4.0- kg wooden block rests on a level table. The coefficient of friction between the block and the table is 0.23. A 5.0- kg mass is attached to the block

A 4.0- kg wooden block rests on a level table. The coefficient of friction between the block and the table is 0.23. A 5.0- kg mass is attached to the block by a horizontal string passed over a frictionless pulley of negligible mass. Now, the 5.0- kg mass is released and the whole system accelerates. What is the acceleration of the wooden block? What is the tension in the string during the acceleration? Determine the acceleration for the above situation when the coefficient...

A block with the mass M slides with no friction on a horizontal surface (no friction)...

A block with the mass M slides with no friction on a horizontal surface (no friction) with speed x when it collides and sticks to the second block with also mass M that is attached to a third block with mass M via an ideal spring with spring constant k. Before collision, spring has its natural length and the blocks attached to it are at rest. Find an expression for the maximum kinetic energy of the third block post collision...

Question