Two forces, one equal to 140 N (pointing East), and another equal to 40 N (pointing West), act on a 20-kg block resting on a horizontal surface. If the block starts from rest, what is the horizontal speed after 10 s? a) 10 m/s b) 5 m/s c) 50 m/s d) 20 m/s How far the block traveled along the surface in this time? a) 50 m b) 250 m c) 500 m d) 25 m

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Q: 24-kgkg wagon accelerates on a horizontal surface at 0.50 m/s2m/s2 when pulled by a rope exerting a…

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Q: A working boy pushes a 15kg lawnmower at a constant speed with force of 90.0N directed along the…

A: Solution: (a) We know that the net force acting on the lawnmower in horizontal direction must be…

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Q: 5. A 90 kg skier takes to the slopes and reaches a constant velocity. 35° a. Draw a force diagram…

A: Mass of skier (m) = 90 kg θ = 35oDirection of motion : downwards (along the incline)

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Q: 7. Two blocks with masses 4.00 kg and 8.00 kg are connected by a string and slide down a 30.00…

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Q: [Q2] A box whose mass is (15) Kg starts from rest at point A, and pushed by a horizontal force F of…

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Q: A 20.0-kg block is initially at rest on a horizontal surface. A horizontal force of 80.0 N is…

A: (a) The coefficient of static friction between the block and the surface is

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Q: A 5.0-kg and a 10.0-kg box are touching each other. A 45.0-N horizontal force is applied to the…

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Q: A hockey puck having a mass of 0.30 kg slides on the friction- less, horizontal surface of an ice…

A: Given  F1 = 5 N  F2 = 8N  angle between F1 and F2   = θ = 60 + 20 = 800

Q: There are two forces on the 2.30 kg box in the overhead view of the figure but only one is shown.…

A: Let the two forces are F1→ & F2→The net force isF→=F1→+F2→⇒F2→=F→-F1→          ....(1)

Q: 5) FIGURE 4 shows a small block of mass 100 g is pressed against a wall by a force, F inclined at…

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Q: paratrooper with his gear has a mass of 135.0- kg has reached terminal velocity. a) Draw a free-body…

A: given  Mass of paratrooper,M = 135 kg  g = 9.8 m/s2  The value of air resistance in Newtons ,F =???

Q: 1200-kg car pulls a boat on a trailer. (a) What total force resists the motion of the car, boat, and…

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Q: A 25-kg crate is pushed across a frictionless horizontal floor with a force of 20 N, directed 20◦…

A: mass of crate = 25 kg  force acting on crate = 20 N directed 20° below the horizontal

Q: A person lowers a 40-kg barbell to the ground at a constant velocity at the gym. Which of the…

A: Given data:  Mass of barbell (m) = 40 kg Velocity of barbell is constant

Q: elearn.squ.edu.om/mod/qui NG SYSTEM (ACADEMIC) al Physics I- Spring21 Time left 0:09:24 A dog and a…

A: a1=Acceleration of the sledge=0.3 m/s2a2=Acceleration of the dog=0.1 m/s2s1=Displacement of the…

Q: m2 4. As seen in the figure boxes with masses m1= 2 kg and m2= 1kg F are in contact on a horizontal,…

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Q: [Q2] A box whose mass is (15) Kg starts from rest at point A, and pushed by a horizontal force F of…

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Q: 7. A 40 kg box initially sits at rest on a level table. A workers starts pushing it along the floor…

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Q: A flea jumps by exerting a force of 1.10 x 10-5 N straight down on the ground. A breeze blowing on…

A: The bug will experience the same amount of Normal reaction as much the bug pushes the ground.  Lets…

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A: Distance between the top of the building and pillow, d=9.67 m The initial velocity of a person, v0 =…

Q: In the figure, two blocks are being pulled by a force of 12N at a constant velocity. Block one has a…

A: The free body diagrams of both the blocks are shown below. Here, T is the tension in the string, N1…

Q: A rope exerts a constant horizontal force of 280 N to pull a 50kg crate across the floor. the…

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Q: What is the speed of the puck?

A: the acceleration of the puck is,

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A: Given Mass of box = m = 6.0 kg Force applied = F = 36.0 N Acceleration = a = 0.60 m/s2 We have to…

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Q: wo blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface.…

A: Given:-  mA=15 kg mB=mF=60 N t= 5.0 sec d= 18 m  Find:-  d. Write Newton’s 2nd law for block A along…

Q: 5. Pictures below depict various stages of a person riding in an elevator. The instantaneous…

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Q: A human stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Let us consider the elevator is moving upwards. When an elevator moves with an acceleration then…

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A: Take the upward direction to be positive. The forces acting on the crate are the weight of the crate…

Q: A heavy crate of mass 60.0 kg is pulled at constant speed by a dockworker who pulls with a 355-N…

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Q: (2) zero (4) increasing 60. An 8.0-kilogram block and a 2.0-kilogram block rest on a horizontal…

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Q: A 27.0-kg block is initially at rest on a horizontal surface. A horizontal force of 74.0 N is…

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Q: A-10 N falling object encounters +4 N of air resistance directed upward. The net force acting on the…

A: Given  Weight of object W = 10 N Force of air resistance Fair = 4 N

Q: A 2.00-kg block is placed on top of a 5.00-kg block. The coefficient of kinetic friction between the…

A: If μK is the coefficient of KINETIC friction then Pulling Force = μK * Normal force. Normal force is…

Q: Cliff divers in acapulco dive into the ocean from h=35m high cliffs. The divers are moving 26 m/s…

A: Given data:Initial vertical velocity of the diver, uy = 26 m/sHeight of the cliff, H = 35…

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A: (a)Given that (assuming initial velocity, right to left  is -ve &  final velocity, right to left…

Q: mass of 18 kg and Block B has mass m. A constant horizontal force F= 75 N is applied to Block A. In…

A: Given: The mass of block A is 18 kg. The mass of block B is m. The time interval is 3 s. The…

Q: A 4000 kg car is traveling right at 10 m/s. Six seconds later it is traveling right at 40 m/s. Find…

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Q: A 82.0 kg person is being pulled away from a burning building as shown in the figure below. 15° T,…

A: The below is the free body diagram for the given situation.