A 70 kg box is slid along the floor by a 400N force. The coefficient of friction between the box and the floor is 0.50 when the box is sliding. Find the acceleration of the box. A. 0.61 m/s^2 B. 0.81 m/s^2 C. 0.35 m/s^2 D. 0.18 m/s^2

Q: A car is going 65mph on a highway without acceleration (constant speed in a straight line).  Net…

A: Speed of the car is 65 mph

Q: An object slides on the flat ground. It comes to a stop under the influence of friction with a…

A: 1. Force = ma = m * 2.45 m/s2 Frictional force, F = μ * R = μ * mg   Equating, we get 2.45 * m = μ…

Q: 60.0 kg skier is moving down a snowy hill inclined at 5 degrees above the horizontal with an…

A: mass of skier (m) = 60 kg initial angle of inclined hill (θi) = 5oinitial acceleration = 0.4 ms2

Q: A block of mass 14kg slides on a horizontal rough surface with constant speed and is being pulled by…

A: Mass of block: m = 14 kg Acceleration of block: a = 0 m/s2 Force applied on block: F = 34N

Q: In a Physics lab, Nene and Nono apply a rightward force to a 4.52-kg cart to accelerate it across a…

A: The cart=4.52kg  The friction between the cart and the floor is 0.43

Q: 1. Two ropes are attached to a 40 kg object. The first rope applies a force of 25 N and the second,…

A: Mass of object, m = 40 kg. To solve this problem we will use the concepts related to the resulting…

Q: I.m = 15 kg us = 0.4 Determine the maximum force of static %3D friction. 2. m = 15 kg us = 0.3.…

A:

Q: A bicycle travels 12 km in 40 min. Its speed is a. 0.3 kph b. 8kph c. 18 kph d. 48 kph Acceleration…

A:

Q: 12. Two blocks are connected by a massless rope as shown in the figure. Block A and block B have…

A:

Q: A lawn mower is pushed at a constant velocity of 0.76m/s. The person pushes horizontally forwards…

A: Given, v=0.76 m/sF=80 N

Q: Three forces given by F, = (6î + 2)N,F2 = ( î – 3j)N, and F3 = (3 f)N, act on an object to give it…

A:

Q: 40. Analyze the system of forces on the 1.0-kg mass below and determine the acceleration. ty F2 = 6…

A: Given: F1=12 N along -x axisF2=6N at 60° clockwise from  -x axism=1 kg

Q: A 60 kg block is pushed by a horizontal force causing the block to accelerate by 1 m/s2. The block…

A:

Q: A 40 kg runner experiences a vertical ground reaction force of 1200 N. What is the runner's vertical…

A:

Q: In its bed, a pickup truck is carrying a large crate that is not tied down. The coefficient of…

A: Given data The coefficient of static friction between the truck bed and crate is μs = 0.41

Q: Two football players are pushing a 60 kg blocking sled across the field at a constant speed of 2.0…

A: Considering the motion in the y-direction, Substituting the values and solving gives

Q: A 140N horizontal force is needed to pull a 60.0kg box across the horizontal floor at constant…

A:

Q: A 2.7 kg textbook is sliding on the floor at constant velocity of 0.75 m/s, a. What is the…

A: Newton's first law of motion states that if the forces acting upon an object are balanced, then the…

Q: Kercey pushes a 6.7-kg crate along a rough surface with 27.43 N of force. He observes that it is…

A:

Q: On planet X, a 5.0 X 101 kg bar can be lifted with a force of just 180 N. a. What is the…

A: Mass of bar = 50 kg  Force required to lift a bar = 180 N

Q: A car that weighs 13300.0 N is initially moving at a speed of 53.0 km/he when the brakes are applied…

A: Given data: Weight of car is, W=13300.0 N. The initial speed is, u=53 km/h=14.72 m/s. Final speed…

Q: 2. Two blocks are stacked in an elevator as shown. The elevator is moving down at 3.0 an speeding…

A:

Q: 7. Answer each of the following questions if the student applied a 550N force to a 100kg box on the…

A: Given data: The force, F=550 N The mass, m=100 kg

Q: A kinetic friction between the 10-kg box and horizontal plane is 0.30. A string is used to pull the…

A: Given: Mass of box, m=10 kg Coefficient of kinetic friction between box and horizontal plane, μ=0.30…

Q: A box of mass m = 2.0 kg is at rest on an incline with angle θ = 20° from the horizontal. Beyond…

A: At inclined plane the weigh of box has two component horizontal and vertical component.  Vertical…

Q: Find the acceleration of a 4.0 kg box sliding across a level floor if it is being pulled forward by…

A: the net force on the box in the horizontal direction is Fnet,x=Tcosθ-f=20 Ncos60°-4 N=6 N

Q: A 5.0 kg object is to be given a downward acceleration of 0.30 meter per second squared with a rope…

A: Given  Mass of object,M = 5.0 kg  Acceleration = A = 0.3 m/s2 (downward)  Rope supporting it…

Q: A stone of mass 2 kg and weight 20 N falls through the air. The air resistance acting on the stone…

A: Given that,Stone of mass, m=2 kgForce, F=20 NAir resistance of stone, R=2 NWe can write, F=R+ma…

Q: Which of the following is closest to the magnitude and the direction of R?

A:

Q: Given a block which is at rest on a perfectly flat smooth table with no friction. You push with your…

A: Correct Answer- B) 6.00 m/s2

Q: A small block (m = 2 kg) is being pushed along (parallel to) a rough surface by a force with…

A:

Q: A 20.0 kg block is placed on an incline that makes an angle of 30.0°. A man pushes up on the block…

A:

Q: 20 kg box sits on an incline plane with angle of 29^o. Find the acceleration of the box down the…

A:

Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…

A: Given data: Mass (m) = 2000 kg Initial velocity (v0) = 15 m/s Final velocity (Vf) = 0 m/s Brakes…

Q: A box of mass m = 2.0 kg is at rest on an incline with angle θ = 20° from the horizontal. Beyond…

A: Analyze the free body diagram of the given system.

Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: How much weight would a 165 kg register if the local acceleration due to gravity is 6.31 m/s2?…

A:

Q: Given a block which is at rest on a perfectly flat smooth table. You push with your hand…

A: Given Mass m = 2.00 kg Acceleration a = 5.00 m/s2

Q: Two masses, m₁ = 65 kg, and m₂ = 81 kg are attached by a massless rope over a massless, frictionless…

A:

Q: This time we have a crate of mass 47.8 kg on an inclined surface, with a coefficient of kinetic…

A:

Q: A 3.8 kg wagon is pulled with a force of 45 N [right]. If the object accelerates at a rate of 2.9…

A: Mass of wagon, m=3.8 kg Force applied, Fapp = 45 N (right) Rate of acceleration, a = 2.9 m/s2…

Q: 2. A packing crate rests on a ramp that makes an angle with the horizontal. The coefficient of…

A: Given that, A crate is placed on the inclined plane The coefficient of static friction between the…

Q: A 5kg mass rests on a horizontal table. A force F = 20N applied parallel to the table surface and…

A: Option D

Q: A 17 kg object moving East is acted upon by a force 25 N acting West. The acceleration (in m/s) of…

A:

Q: A 4.00-kg wedge A is placed on a rough inclined surface and is observed to slide down. The…

A:

Q: The coefficient of friction between a race car's wheels and the track is 1.0. The car starts from…

A: Ans : option (c) 73 m/s is correct. Explanation:

Q: 26. A 10-kg object is to be given an upward acceleration of 0.3 m/s2 by a rope pulling straight…

A: