A 43.2 kg video cart is rolled down a hallway. It is accelerated at 0.30 m/s^2. If a force of 27 N is applied to move the cart, what force of friction do the wheels have against the floor?

Q: Mary applies a force of 70 N to push a box with an acceleration of 0.60 m/s2. When she increases the…

A: The forces acting on the box are the force applied by Mary in the direction of motion of box and…

Q: A 7kg block is placed on an inclined that is 24 degrees to the horizontal. It has a coefficient of…

A: Given:- The mass of the block m = 7 kg  The inclined plane at an angle of 24 degrees to the…

Q: onsider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

A: Write the given values with the suitable variables. a=1.21 m/s2m=102.9 kg Here, a is the…

Q: A boat has a mass of 6.43 x 10³ kg. Its engines generate a drive force of 4.5 x 103 N due west,…

A:

Q: A spring with a spring constant of 150 N/m and an attached mass of 2 kg has an initial position of…

A:

Q: A rope is attached to a box with mass 122 kg and Person A is pulling the box to the right on the…

A: Given information: The mass of the box (m) = 122 kg The tension in the rope when the person A is…

Q: A nurse pushes a cart by exerting a force on the handle at a downward angle 31° below the…

A:

Q: An elevator cab is pulled upward by a cable. The cab and its single occupant have a combined mass of…

A: Given Combined mass is m=2030  kg The acceleration of coin relative to the cab is aCE=-7.90 m/s2…

Q: A sled of mass 88 kg is being pushed up a slope with an applied force of 910 N. The slope is…

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: A tractor is speeding up at 3 m/s/s while pulling a 691 kg sled with a rope at an angle of 23…

A:

Q: In a circus performance, a monkey on a sled is given an initial speed of 3.1 m/s up a 26◦ incline.…

A: Given that :v=3.1 m/sθ=26°μk=0.71m=20.2 kgwhere,v is the initial speedθ is the anglem is the massμk…

Q: A husky is pulling a sled loaded with cargo (total mass m = 34kg) along some snow, which has…

A:

Q: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: The coefficient of static friction between a block and a horizontal floor is 0.47, while the…

A: Given data The block mass is: m = 4.2 kg The coefficient of static friction is: μs = 0.47 The…

Q: is at rest on a horizontal floor.  A 22 kg child sits on top of the box.  A person pushes the box…

A: Net force = ma

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 48 kg. You were pulling…

A: Given data:  Mass of crate (m) = 48 kg Applied force (FA ) = 464 N Inclined angle (θ) = 29.5°…

Q: Four blocks with masses m1=5.00kg, m2= 5.10kg, m3= 7.00kg, m4= 7.20kg are pulled on a horizontal,…

A: solution:   Given Values, Masses: m1=5.00 Kgm2=5.10 Kgm3= 7.00 Kgm4= 7.20 KgAngle (θ)=34°Force (F) =…

Q: A horizontal force of 90.7 N is applied to a 56.5 kg crate on a rough, level surface. If the crate…

A:

Q: A 0.30 kg puck is being pushed across a table with a horizontal force of 2.0 N. It starts from rest…

A:

Q: a block is sliding down a ramp with an external force (in addition to friction) applied up the ramp…

A: Page 1

Q: A 92.0 kg crate is being lifted by the tension in a vertical cable. If the crate is accelerating…

A: Given: m = 92 kga = 1.5 m/s2g = 9.8 m/s2 To find: Tension in the cable T

Q: A 55-kg box rests on a horizontal surface. A force of 300.0 N is pulling the box toward the right…

A:

Q: A stubborn, 115 kgkg mule sits down and refuses to move. To drag the mule to the barn, the…

A: Given: The mass of mule is m=115 kg. The maximum force is F=800 N. The static coefficients of…

Q: You are pushing a metal crate against a metal floor. The two surfaces have a static coefficient of…

A: Given data: Coefficient of static friction (μs) = 0.62  Coefficient of kinetic friction (μk) = 0.50…

Q: A rescue helicopter lifts a 57.7-kg person straight up by means of a cable. The person has an upward…

A:

Q: A 645 kg car is being pushed along a flat parking lot at a constant speed of 1.78 m/s. The…

A: The mass of the car, m=645 kg The velocity of the car, v=1.78 m/s The coefficient of friction…

Q: A person pushes a block of mass M = 6.0 kg with a constant speed of 5.0 m/s straight up a flat…

A:

Q: A horizontal force of 90.2 N is applied to a 28.5 kg crate on a rough, level surface. If the crate…

A:

Q: horses pull a cart with a total applied force of 1000N. The kinetic friction from the gravel road…

A: Given  Mass of cart, M = 200 kg  Force applied, F = 1000 N  Frictional force, f = 375 N

Q: Pushing a block over horizontal surfaces, a person examines their understanding of friction. In the…

A: The frictional force acts in the opposite direction of the motion of an object. If the object is…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: how long (in seconds) will it take the block to reach its maximum height

A: Given data: The mass of the wooden block is: m=15.5 kg The angle of the wooden ramp is: θ=38.6∘ The…

Q: Two people are pushing horizontally on a crate of mass 100 kg. One person is pushing from the right…

A:

Q: A horizontal force of 88.2 N is applied to a 30.5 kg crate on a rough, level surface. If the crate…

A: Here, the net force, Fnet = 88.2NMass of the crate, m = 30.5kgAcceleration of the crate, a = 1.08…

Q: A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s.…

A: The equation of motion is, v = u + at9m/s =0+a3.0sa=3m/s2

Q: A 63.4 kg person is standing inside an elevator. The elevator is moving upward at 2.78 m/s and is…

A: The write the expression for the net force, Apply Newton’s second law of motion,

Q: A horizontal force of 90.7 N is applied to a 60.5 kg crate on a rough, level surface. If the crate…

A: Given Data : The mass of the crate is given as m = 60.5 Kg. The force applied to the crate is given…

Q: A 74.2 kg person is standing inside an elevator. The elevator is moving upward at 2.98 m/s and is…

A:

Q: A block with a mass of 3.44 kg is sliding down an inclined surface. The surface makes an angle of…

A: The expression for the coefficient of kinetic friction by equating the forces along inclined surface…

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

A:

Q: A 1,910 kg African bush elephant (Loxodonta africana) is pushing a 2,890 kg car. The elephant and…

A: Given value--- mass of elephant = 1910 kg. mass of car = 2890 kg. total force = 9750 N We have to…

Q: the figure shows a woman pulling a suitcase. the suitcase moves at constant velocity. the rope (…

A:

Q: A sled of mass 87 kg is being pushed up a slope with an applied force of 853 N. The slope is…

A: applied force = 853 N weight along incline = 87 * 9.8 * sin(34) = 476.77 Nfrictional force = 87 *…

Q: A 1.9 kg otter starts from rest at the top of a muddy incline 84.1 cm long and slides down to the…

A: Given that,The mass of otter : m = 1.9 (kg)The length of muddy inclination : d = 84.1 (cm)The time…

Q: Consider a wooden ramp angled 30.1 degrees above horizontal. If a 10.2-kg wooden block is given a…

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

Q: net force of 20 N is acting on a falling object. The object experiences air resistance of 6.0 N. If…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.