A contestant in a winter games event pulls a 50.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure. 25° The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving. 54 |× N (b) What is its acceleration (in m/s²) once it starts to move, if that force is maintained? 0.686 )× m/s²

Q: A 13.5 lb box is placed on the ground. (a)What force (in lb) does the ground exert on the box?…

A: Given, Weight of the block placed on the ground, W = 13.5 lb

Q: A box rests on a horizontal surface. You apply a force on the box of F = 100 N at an angle, θ, below…

A:

Q: A woman holds a book by placing it between her hands such that she presses at right angles to the…

A: Static friction,

Q: A helicopter with mass 2.95 x 10“ kg has a position given by r(t) = (0.050ti + 5.5tj – 0.090t k) m.…

A:

Q: A horizontal force of 85.2 N is applied to a 44.5 kg crate on a rough, level surface. if the crate…

A: Given data The magnitude of the horizontal force is given as FA = 85.2 N. The mass of the crate is…

Q: Two forces act on an object. One force has a magnitude of 10 N directed north, and the other force…

A: Given data:  Two forces acting on the object F1 = +10 N F2 = -2 N Required: The net force on object

Q: The coefficient of friction between the tires of Shirley's 1985 Ford Coupe and the dry pavement is…

A:

Q: A chair of weight 120 N lies atop a horizontal floor; the floor is not frictionless. You push on the…

A: Since the net acceleration along the vertical direction is zero. The net force along the vertical…

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

A: The coefficient of kinetic friction between the couch and the floor μk=0.6  The mass of the couch…

Q: Suppose you have a stack of 7 identical steel bars (steel bars have a mass of 10.0 kg each).  You…

A: So we have given a stack of 7 identical steel bars with each having mass of  andwe have to find if…

Q: A 305-pound box is placed on a ramp that is inclined 22.3°. (a) Find the magnitude of the force…

A: A box placed on an inclined ramp,  Mass of block, m = 305 pound Force required to stop the block…

Q: On a rough surface you want to pull a heavy object of 125 kg, if the coefficient of friction is µk =…

A:

Q: 5. A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t2 -1 and y =…

A:

Q: An object of mass 10 kg is dragged, at a constant velocity, across a horizontal surface, pulled by a…

A:

Q: A sled of mass 2.1 kg is on perfectly smooth surface. A string pulls with a tension of 25.1 N. At…

A: The free-body diagram of the mass is shown below. Here, m, a, T, and θ are the mass, acceleration,…

Q: A car (m= 1900 kg) is parked on a road that rises 12° above the horizontal. What are the magnitudes…

A: Given value--- Mass = 1900 kg. Angle = 12 degree We have to find--- Normal force? Static friction…

Q: mass

A:

Q: A M1 =1000-kg car is on a rough ramp that is inclined at θ = 20° above the horizontal. It is…

A:

Q: 28º.) Calculate the minimum force F (in N) he must exert to get the block moving. What is its…

A:

Q: Problem 4: The coefficient of kinetic friction between the block on the ramp and the ramp is 0.35,…

A: Given data:    m1=8.2 kg  m2=20.1 kg  θ=34o  μk=0.35 Applying Newton’s second law for mass 1:…

Q: A firefighter who weighs 124 lb slides down an infinitely long fire pole that exerts a frictional…

A:

Q: A powerful motorcycle can produce an acceleration of 3.50 m/s while traveling at 90.0 km/h. At that…

A:

Q: A box of mass 3.6 kg is given an initial speed of vo = 7.1 m/s along a ramp as indicated in the…

A:

Q: Block B in the figure weighs 711 N. The coefficient of static friction between the block and table…

A: The weight of block B is: The coefficient of static friction is: The given angle is:

Q: You are pulling a 32 kg dresser up a ramp (inclined at an angle of 22 degrees) with an acceleration…

A:

Q: A contestant in a winter games event pushes a 56.0 kg block of ice across a frozen lake as shown in…

A: To find (a) minimum force(b) acceleration

Q: (ii) Determine the acceleration of block A and log B immediately after the system is released from…

A: Mass of block A mA=120 kg which is at an angle 70o and mass of block B mB=180 kg which is at an…

Q: A block whose weight is 35.0 N rests on a horizontal table. A horizontal force of 50 N is applied to…

A: Here, we calculate  the blocks acceleration  given as follow;

Q: A block with a mass of 3.00 kg begins at rest and moves down a lengthy ramp inclined at 22.0 degrees…

A:

Q: A box is pushed across a horizontal table by a boy applying a force of 32 N to the box. A force of…

A:

Q: acceleration of 7.2 m/s*2, when falling towards the earth. a) How high above the earth's surface is…

A: We know that Acceleration due to gravity at surface of earth = 9.8 m/s2   RRadius of earth = 6400…

Q: A book with mass = 2.25 kg rests on the surface of a bar. The coefficient of static friction between…

A: Part(a)  :    a=g(μs​−μk​) Part(b) :    2.646 m/s⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠2 Explanation:

Q: 4. You are pulling your little sister on her sled across an icy (friction-less) surface. When you…

A: It is mentioned that the surface is friction less, hence all of the force will be used to create…

Q: A 40 kg wooden crate is being pulled across a wooden surface by a force (of magnitude F) that is…

A: Mass of the wooden crate is M = 40 kg  Coefficient of kinetic friction is uk = 0.3  Coefficient of…

Q: A train locomotive pulls a train with a mass of 1.10 ✕ 10^7kg on level rails. The locomotive exerts…

A:

Q: (a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 8.00 x 10*³…

A: Part 1 seems to be done , Answering Part B=                So according to the diagram,  Ty=tension…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: