A 50.0 N box is at rest on a horizontal surface. The coefficient of static friction between the box and the surface is 0.50, and the coefficient of kinetic friction is 0.30. A horizontal 20.0 N force is then exerted on the box. The magnitude of the acceleration of the box is most nearly  a 0.5 m/s2  b 1 m/s2  c 4 m/s2  d 0 m/s2

Q: If a box with mass of 50 kg is moving on a rough surface with kinetic friction coefficient of 0.7,…

A: The net force on the box is F-f=0F=f=μkN=μkmg                                  1

Q: A B Two blocks are connected by a light cord passing over a small, frictionless pulley as shown in…

A: Draw the free-body diagram of the block B.

Q: 1. Four blocks, with masses m₁ = 5.70 kg, m2 = 5.00 kg, m3 = 7.30 kg, and m4 = 7.90 kg, are pulled…

A:

Q: While standing in a low tunnel, you raise your arms and push against the ceiling with a force of 100…

A:

Q: A block of mass 3.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the…

A:

Q: In a tug-of-war, each man on a 5-man team pulls with an average force of 500 N. What is the tension…

A: Given, In a tug-of-war, each man on a 5-man team pulls with an average force of 500 N. So each team…

Q: A 70.0 kg box is being pulled along a horizontal surface. The coefficient of kinetic friction…

A:

Q: cord pulls an 7.0 kg block across a horizontal floor at constant velocity.The coefficient of kinetic…

A: Given values:- Mass of the block,(m)=7 kg ----(1) Coefficient of the kinetic friction,(μk)=0.21…

Q: A box is being pushed across a horizontal floor. If the net force (Fnet) is 1000 N and the box…

A:

Q: block, mass 20.0 kg is being pulled horizontally along a rough surface. The box experiences an…

A:

Q: A block, mass 20.0 kg is being pulled horizontally along a rough surface. The box experiences an…

A: Given: Mass of block, m=20.0 kg Farword acceleration, a= 2.50 m/s² Coefficient of kinetic friction…

Q: jeepney brakes and travels from 10 m/s to a stop in 15 m. What is the coefficient of kinetic…

A:

Q: A block of mass M = 2.0 kg rests on a rough horizontal surface. The block starts to slide when a…

A:

Q: A crate of mass 24.7 kg rests on a level surface, with a coefficient of kinetic friction 0.187. You…

A:

Q: The coefficients of static and kinetic friction between a 3.0-kg box and a horizontal desktop are…

A: Given data:  Mass (m) = 3.0 kg Coefficient of static friction (μs) = 0.40 Coefficient of kinetic…

Q: A 10.0-kg box is pulled along a horizontal surface by a force of 40.0 N applied at a 30.0° angle…

A: Given  Mass of box ,M = 10.0 kg  Force applied,F = 40.0 N  Angle ,= 30° with vertical  Kinetic…

Q: A 50 kg crate is at rest on a horizontal floor. The coefficient of static friction between crate and…

A:

Q: 3. A 6.50 kg block is pressed against a vertical wall by a force (F), as shown in the figure below.…

A: The given force holds up the block against the wall. And since the wall is rough, it offers a…

Q: If an 80 kg motorcycle is pushed using 50 N on a concrete road with a coefficient of kinetic…

A: an 80 kg motorcycle is pushed using 50 N on a concrete road with a coefficient of kinetic friction…

Q: A gymnast with a weight of 300 N is suspended by a single vertical rope, the tension in the rope…

A:

Q: A crate of mass 20.9 kg rests on a level surface, with a coefficient of kinetic friction 0.225. You…

A: Given: The  mass of the crate is 20.9 kg. The applied force is 244 N. The coefficient of the kinetic…

Q: A crate of mass 48.1 kg rests on a level surface, with a coefficient of kinetic friction 0.202. You…

A: Given Mass of crate = 48.1 kg Coefficient of kinetic friction = 0.202 Applied force = F = 239 N We…

Q: A 2100 kg car experiences a force of 5500 N [S] from the engine and a frictional force of 701 N [N].…

A:

Q: A block of mass 6.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the…

A: Given: The mass of the object is 6 kg. The static coefficient of the friction is 0.5. The angle of…

Q: A force F = 40N perpendicular to the wall acts on the block in the figure of mass m = 2 kg. What…

A: According to the Newton's second law, F-Fs=0F=FsF=μsmgμs=Fmg

Q: Which of the following statements about friction is not true? *       A. An object of large mass is…

A: Friction is defined as the force that resists the movement of motion.

Q: A crate of mass 33.9 kg rests on a level surface, with a coefficient of kinetic friction 0.142. You…

A:

Q: A 3.0-kg block slides on a rough horizontal surface. A force of 8.0 N acting parallel to the surface…

A: Given data The block mass is: m = 3 kg The horizontal force is: F = 8 N The kinetic friction between…

Q: Q2 ) A 0.500-kg mass is projected up ( a long 25.0° inclined plane with an initial speed of 4.50…

A: Given: Mass of block m = 0.500 kg Angle of inclination with horizontal = 25.0° Coefficient of…

Q: The coefficients of static friction between m¡ and the cart is u1. The coefficients of static…

A:

Q: Jessie,a poor engineering student, decides that the 500 N table saw he just bought is "heavy enough"…

A:

Q: 13. A 1.5-kg cart is pulled with a force of 7.3 N at an angle of 40° above the horizontal. If a…

A:

Q: A 5.80 kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic…

A:

Q: m. m2 A mass m1 = 12.0 kg sits on a level tabletop, and is attached to a second hanging mass m2 by a…

A: Given : mass (m1) = 12.0 kg Coefficient of static friction = 0.45

Q: A car (m =  1700 kg) is parked on a road that rises  19° above the horizontal. What are the…

A:

Q: An 83 kg man is sliding across his kitchen floor. Between socks and the polished hardwood, the…

A:

Q: An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is…

A:

Q: A sleigh is being pulled horizontally by a train of horses at a constant speed of 6.38 m/s. The…

A: Kinetic friction is the force when surfaces in contact move relative to each other. It's magnitude…

Q: You stand on a hill. What force prevents you from sliding down the hill? a)  Gravity b)  Normal…

A: Answer              e) Static Friction

Q: 7) A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

A: Given data:  Mass (m) = 120 kg Horizontal force (F) = 550 N Coefficient of static friction (μs) =…

Q: A 620 kg car pulling a 495 kg trailer accelerates forward at a rate of 2.20 m/s2. Assume frictional…

A:

Q: A 1.6 kg box is at rest on a ramp of angle 22°. The coefficient of maximum static friction is 0.56…

A: Given:-  The coefficient of the static friction force is 0.56. the coefficient of the kinetic…

Q: 339 8 20 A 20 kg box is resting on horizontal surface initially. Then a F =50 N force pulls on the…

A:

Q: Substituting, for the coefficient of kinetic friction, we find Mk = 0.25 3 6 X m m 2 10 n) ( 2 451…

A: Solution: Given: To perform the computation and find the value of coefficient of kinetic friction:…

Q: A 40kg box is initially sitting at rest on a horizontal floor with a coefficient of static friction…

A: Given: The mass of the object is 40 kg. The coefficient of the static friction is 0.4. The free-body…

Q: A 750 N box moves at a constant velocity on a floor with a coefficient of static friction μs = 0.800…

A: Weight of box Fb = 750 N Coefficient of static friction μs = 0.800 Coefficient of kinetic friction…

Q: A block, mass 20.0 kg is being pulled horizontally along a rough surface. The box experiences an…

A:

Q: A crate of mass 38.6 kg rests on a level surface, with a coefficient of kinetic friction 0.258. You…

A: Given: The mass of the crate is 38.6 kg. The coefficient of the kinetic friction is 0.258. The…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”