When an airplane is in level flight, its weight is balanced by a vertical “lift,” which is a force exerted by the air. How large is the lift on an airplane in such flight if the mass of the airplane is 1.20 x 103 kg? Draw a free body diagram of the airplane.

Q: You slide a 0.0115 kg hockey puck up an icy hill that has a slope of 16 degrees. If the coefficient…

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Q: An object of mass m¡ = 5.0 kg placed on a frictionless, horizontal table is connected to a string…

A: Given values: Mass, m1=5.0 kg Mass, m2=9.0 kg Acceleration due to gravity, g=9.8 m/s2

Q: elevator cabs A and B are connected by a short cable and can be pulled upward or lowered by the…

A: Draw the free-body diagram of the elevator B.

Q: A block of mass 132 kg lies on a horizontal plane. A horizontal force F of magnitude 1140 N is…

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Q: Using a modified pulley system, you need to lift 450 N of concrete a total distance of 5 meters…

A: Lifting force F1 = 450N Distance moved d = 5m If we pull the distance D = 15m The required force F2…

Q: A hot air balloon is accelerating upward. Which of the following is true? A) The bouyant force is…

A: A hot air balloon accelerating upwards has a lift force greater than its weight , the lift is due to…

Q: a 45 kg skydiver jumps from the plane. he opens his parachute which produces an upward force of 950…

A: Solution: given that m  = 45 kg upward force of 950 N to find the net force

Q: A certain force gives an object of mass m1 an acceleration of 14.0 m/s² and an object of mass m2 an…

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Q: A 200kg statue has a coefficient of friction with the ground of 0.7. How much horizontal force is…

A: Given:mass M=200kgcoefficient of friction μ=0.7To find:Horizontal force F=??

Q: A traffic light of mass 220 kg is hanging with metal wires as shown below. Determine the tension…

A: Given is the traffic light of mass 220 kg,assume tension is wire A is T1 and tension in wire B is…

Q: You are pushing a 40 kg sled across some snow with a coefficient of friction of 0.2. How much force…

A: Answer :  The force required to push must be 78.4N .

Q: A skydiver of mass 72 kg has jumped out of a plane 2 km above the surface of the earth. After 20…

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Q: A box of mass 2 kg has two forces pulling on it in opposite directions. One is pulling to the left…

A: Given,  mass, m = 2 kg acceleration, a=? The horizontal right is taken as the positive x-axis.…

Q: A gust of wind blows an apple from a tree. As the apple falls, the force of gravity on the apple is…

A: Given quantities: Force of gravity (Fg) = 9.21 N                   ( in downward direction ) Force…

Q: Two blocks, of weights 3.6 N and 7.2 N, are connected by a massless string and slide down a 30…

A: The net force on the first box,

Q: In laboratory experiment, a 0.5-kg block resting on a table is pulled by a constant horizontal force…

A: a) The net force acting on the block is Fnet=Fapp-Ffma=Fapp-Ff Rearrange in terms of applied force…

Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a…

A: Newton's laws of motion: In classical mechanics the relation between the force applied on any object…

Q: Two teams are playing tug-of-war, each team has five members. The applied forces on the rope are as…

A: Given in question : Forces by teams are -…

Q: An example of a force which acts at a distance is O tension weight. static friction. kinetic…

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Q: 02. A is a mass 8 of kg and B is a mass of 6 kg, are on a flat surface. A string joins them…

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Q: A 2400 kg truck is towing a 600 kg trailer. If they move with an acceleration of 10 m/s2, the…

A: Given, Mass of truck,M=2400 kg Mass of trailer,m=600 kg Acceleration,a=10 m/s2

Q: The force that is exerted on an object by any surface which is in contact and that which acts…

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Q: A block is sliding on a rough surface with a coefficient of static friction = 0.320 and a…

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Q: A person with a mass of 72.kg sprints with an acceleration of 6.3 m/s^2. What is the magnitude of…

A: Given data: mass, m= 72.kg  acceleration, a= 6.3 m/s2.

Q: Four forces act on an object, given by F1= 40 N east, F2= 50 N north, F3=70 N west, and F4= 90 N…

A: Given that  values of four forces which act on an object.Then We have to determine the magnitude of…

Q: Block A in the figure (Figure 1) weighs 1.21 NN and block B weighs 3.61 NN . The coefficient of…

A: Kinetic friction The kinetic friction is mentioned  as a force of inverse  action among a pair  of…

Q: Block A in (Figure 1) weighs 1.25 N, and block B weighs 3.70 N. The coefficient of kinetic friction…

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Q: Block B has mass 6.00 kg and sits at rest on a horizontal, frictionless surface. Block A has mass…

A: Given: mass of block B, mB=6 kg mass of block A, mA=3.50 kg co-efficient of static friction, μ=0.4…

Q: A 2 kg block is pulled on by a rope with a tension force of 20 N. The coefficient of kinetic…

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Q: A block m1 of mass 5.0 kg rests on block m2 of mass 15.0 kg, which is tied to a wall by a horizontal…

A: Write the given values of the problem- mass of the block-m1=5 kgm2=15 kgm3=20 kgcoefficient of the…

Q: Two forces are acting on a 5.0-kg object that moves with acceleration 2.0 m/s2 in the positive…

A: Given  The magnitude of the force in the positive x-direction is F2 = 12 N. The mass of object…

Q: 131. A water-skier with weight F = mg moves to the right with acceleration a. A horizontal tension…

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Q: . What is the acceleration of the airplane? Answer in units of m/s 2.

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Q: A freight train has a mass of 1.4x10^7 kg. if the locomotive can exert a constant pull of 8.3x10^5…

A: According to the Newton’s second law, the acceleration of the freight train,Substitute the values,

Q: A 39.0 N force pulls horizontally on a m1 = 1.3 kg block that slides on a rough horizontal surface.…

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Q: woman exerts a horizontal force of 145 N on a box with a mass of 37.2 kg If the box doesn't move,…

A: Given Mass of box is m=37.2 kg Applied force is F=145 N

Q: A firefighter of mass 79 kg slides down a vertical pole with an acceleration of 4 m/s 2 . The…

A: The mass of the fire fighter, m=79 kg   The acceleration, a=4 m/s2

Q: You have gone skiing at the Poconos. You (mass 45 Kg) are being pulled up a 300 snow-covered slope…

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Q: When you stand at rest on the floor, you apply a force on the floor and the floor applies a force on…

A: (a) The free-body diagram of a person standing on the floor is shown below. Here, W denotes the…

Q: A block with mass 2500g is pulled by a horizontal rope along a horizontal frictionless surface. If…

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Q: 3. A bai. weighing 50. N is pulled back by a rope by an angle of 20.º. What is the tension in the…

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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!