A 40-kg crate is being pushed across a horizontal floor. If the coefficient of sliding friction is 0.4, what is the frictional force acting on the crate? A. 16 N B. 40 N C.100 N D. 160 N

Q: A 15 kg mass is suspended from tow ropes in the corner of a ceiling. Rope 1 makes and angle with 20°…

A: Given data: Mass (m) =  15 kg Angle with ceiling (θ) = 20°

Q: 2. You want to move a 500-N crate across a level floor. To start the crate moving, you have to pull…

A: weight = 500 N Thus , normal force = 500 N Using formula for frictional force : Static friction =…

Q: You are moving boxes into a new apartment. One of the boxes is very heavy, with a mass of 40kg, so…

A: Given data The mass of the box is m = 40 kg. The acceleration of the box is a = 3.2 m/s2. The force…

Q: A 50 kg wooden crate rests on a horizontal concrete floor. The coefficent of friction is Ms= 0.7.…

A: Coefficient of friction is Ms = 0.7 Mass of the crate is m = 50 kg Force applied to the crate is F =…

Q: A large block is being pushed against a smaller block such that the smaller block remains elevated…

A: Given data *The mass of the smaller block is m = 0.30 kg *The minimum acceleration is a = 12 m/s2…

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.54 m/s2. When she increases the…

A:

Q: A 7.0-N force parallel to an incline is applied to a 1.0-kg crate. The ramp is tilted at 20° and is…

A:

Q: 2. Two boxes are connected with a rope. a) what is the acceleration for both those boxes? b) what is…

A: Part (a) solution

Q: 5. A box with a weight of 50 N rests on a horizontal surface. A person pulls horizontany on it with…

A:

Q: 13)A crate with a mass of 35.0 kg is sliding down an inclined plane with an angle of 43.0 degree…

A:

Q: Q5) A child pulls a wagon with a force of 20N by a rope making an angle of 25° with the horizontal.…

A:

Q: 3. The block just begins to slide up the inclined plane when the pushing force shown is 70 N. a.…

A:

Q: 7. A dolphin experiences a force of 320 N [up] when it jumps out of the water. The acceleration of…

A: Given: The experienced force by the dolphin is 320 N (up). The acceleration of the dolphin is 2.6…

Q: 8. If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be the person's…

A: Acceleration

Q: A 50N box is pushed across the floor . The person let’s go of the bow and the box continues sliding…

A: Analyze the free body diagram.

Q: A 250 kg steel box is being pushed across a wooden floor with a force of 550 N. What is the…

A: Acceleration is defined as the rate of change of velocity.

Q: 10)A girl is pulling a sled with a mass of 16.0 kg across a level patch of grass by exerting a force…

A:

Q: If the 80 N horizontal force is applied to a 20 kg crate on a rough, level surface, the crate…

A: Force, F = 80 N  mass, m = 20 kg  acceleration, a = 1.2 m/s2

Q: (II) (a) A box sits at rest on a rough 33° inclined plane.Draw the free-body diagram, showing all…

A:

Q: the

A: Given: Maximum static friction between the sanding block and wooden board = 25 N Applied force = 20…

Q: 2)The diagram below represents a cart moving on a ramp. Assuming no friction, what is the magnitude…

A: Angle of inclination is 50° The weight of the body is 40N

Q: 1. A 60.0 kg skydiver is falling through the air (parachute opened). At one point, the acceleration…

A: mass of skydiver,m=60 kg acceleration due to  gravity ,g=10 ms-2 Net acceleration ,a =4.6 ms-2 Force…

Q: A hoist is used to lift a 780 kg car upward with an acceleration of 0.110 m/s². a) What is the net…

A:

Q: A 6.46 kg lego block is pulled along a friction surface with a net force of 3.2 N. What is the…

A: Given:Mass,m=6.46kgForce,F=3.2 NFind the acceleration of the lego.Now,The friction force acts to…

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.52 m/s2. When she increases the…

A:

Q: A person pushes on a 38.7 kg refrigerator with a horizontal force.  The coefficient of static…

A:

Q: Q5) A child pulls a wagon with a force of 20N by a rope making an angle of 25° with the horizontal.…

A:

Q: A boat moves through the water with two forces acting on it. One is a 2000N forward push by the…

A:

Q: Q38. A man pushes on a wall out of frustration with a force of 30 Newton. What force does the wall…

A: Force applied by men on wall= 30 N

Q: Eric has a mass of 60 kg. He is standing on a scale in an elevator that is accelerating downward at…

A:

Q: Mary applies a force of 71 N to push a box with an acceleration of 0.41 m/s². When she increases the…

A:

Q: While moving, a 50 kg box is pulled at a constant speed. The person pulls the 200 N force. There is…

A:

Q: 3. Hayden and Amy are pushing/pulling a table (150 kg) up a flight of stairs. You can approximate…

A: Given Mass m= 150 kg Coefficient of kinetic friction μk = 0.3 Angle of the incline θ = 36.87o

Q: A 38.0 kg box hangs from a rope. What is the tension (in N) in the rope if the box is at rest?…

A:

Q: Mary applies a force of 73 N to push a box with an acceleration of 0.42 m/s2. When she increases the…

A: Using Force balance on box in horizontal direction Fx_net = F_app-Ff Fx_net =m*a(From newton's 2nd…

Q: What is the reaction force to the normal force you experience sitting in a chair? a) the force that…

A:

Q: A 50.0 kg steel file cabinet is in the back of a dump truck. The truck’s bed, also made of steel, is…

A: Given: The mass of the steel cabinet is 50.0 kg. The angle bed is tilted is 20°.

Q: A speed boat pulls a water-skier (with a mass of 100 kg) at a steady speed by a rope at 15 degrees…

A:

Q: A person pushes on a 44.9 kg refrigerator with a horizontal force.  The coefficient of static…

A: Given data:  Mass of refrigerator (m) = 44.9 kg Coefficient of static friction (μs) = 0.721…

Q: 580 N skydiver in free fall is accelerating at -8.8 m/s2 rather than -9.81 m/s2 because of the force…

A: Weight of skydiver = 580 N =mg m=59.12 kg Acceleration of skydiver (a) = -8.8 m/s^2 Acceleration due…

Q: 1. A 5.0-kg object is suspended by a string from the ceiling of an elevator that is accelerating…

A: Write the expression for net force using Newton’s second law of motion

Q: A 3000-kg cart starts down with an acceleration of 2 m/s 2 . What is the tension in the cable at the…

A: Mass = 3000 kgAcceleration = 2m/s2Tension at the staut of cable =? Tension force = ma        T= m×a…

Q: Mary applies a force of 77 N to push a box with an acceleration of 0.55 m/s2. When she increases the…

A:

Q: A car has forces acting on it, as shown below. The mass of the car is 1000.0 kg. The road is slick,…

A: (a)The resultant of two forces F→1 and F→2 is given by, Fnet=F12+F22+2F1F2cosθ Here, F1 is the…

Q: April works at the grocery store. She needs to move a heavy crate of bananas ( m = 80 kg) to the…

A:

Q: A 14.0 kg child and a 250 kg sofa are on a frictionless surface. The child pushes on the sofa with…

A: In the given question, Mass of child (m) = 14kg Mass of sofa (M) = 250kg Force on the sofa by the…

Q: 7. A horizontal force of 95.0 N is applied to a 60.0 kg crate on a rough level surface. The crate…

A:

Q: 15. A scooter and rider together have a mass of 275 kg. (a) If the scooter slows with an…

A: Given that  Scooter and Rider mass together  m=275 kg and acceleration  a= - 4.50 ms2

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!