The air exerts a forward force of 10 N on the propeller of a 0.30 kg model airplane. If the plane accelerates forward at 1.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane?  N

Q: a) A dockworker applies a constant horizontal force of 70.0N to a block of ice on a smooth…

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Q: C A Three boxes, each of mass 22 kg are on a frictionless table, connected by massless strings. A…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A force of 80N makes an angle 30° with the x-axis. The force acts on an object of mass 4Kg. (a) what…

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Q: c). Suppose the magnitudes of the force of friction on the blocks are 4.0 N and 8.0 N respectively.…

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Q: A man of mass M = 75.0 kg and woman of mass m = 55.0 kg stand facing each other on an ice rink, both…

A: Given data, mass of man, M = 75 kg mass of woman, m =55 kg force with which the woman pushed the…

Q: A 1.5 kg block is pulled across a horizontal surface that has a coefficient of kinetic friction of…

A:

Q: A light rope is attached to a block with mass 4.00 kg that rests on a frictionless, horizontal…

A: Given : mass of block one m1=4 kg tension force in the rope T=10N

Q: a) A dockworker applies a constant horizontal force of 65.0N to a block of ice on a smooth…

A:

Q: A 39 kg girl and a 7.7 kg sled are on the frictionless ice of a frozen lake, 10 m apart but…

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Q: When you try to move furniture around the room, it’s almost always easier the keep the object moving…

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Q: A contestant in a winter games event pushes a 37.0-kg block of ice across a frozen lake with a force…

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Q: Forces of 50 N at 120 degrees, and 30 N at an angle of 210 degrees, measured counter-clockwise from…

A:

Q: b) A horizontal force of 25 N acts on a 0.30 kg toy trolley to accelerate it uniformly along a…

A: Given data, Horizontal force (F)=25 N Mass of the toy trolley (m)=0.30 kg Traveled distance (s)=35 m

Q: B-A man of mass M = 80.0 kg and woman of mass m = 54.0 kg stand facing each other on an ice rink,…

A: Given: Force F=80 N Drawing free body diagram of Man and Woman                            Women…

Q: Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the…

A: When the dolphin is moving in water, it is given that,

Q: The owner is dragging a baggage weighing 45.0 kg across a horizontal surface with a coefficient of…

A:

Q: a) A dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth…

A:

Q: a) A dockworker applies a constant horizontal force of 60.ON to a block of iron a smooth horizontal…

A: Since the force is constant , the acceleration will also be constant and hence we can apply the…

Q: Three blocks on a frictionless horizontal surface are in contact with each other. A force F is…

A: applied force on the first block (F) = 12 N m1 = 2.3 kg m2 = 1.2 kg m3 = 3.7 kg

Q: A ball of mass 0.5 kg is tossed vertically upwards. What is the magnitude and direction of the net…

A: Regardless of the direction of the ball’s motion, the acceleration due to gravity is the only force…

Q: person of mass 55 kg has an initial speed of 5.0 m/s runs in a straight line, and its speed…

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Q: Four forces act on an object and are given by A = 37.3 N east, B = 38.3 N to the north, C = 62.7 N…

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Q: A 2.5kg concrete block sliding on a vertical wall is being acted upon by a force P as shown in the…

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Q: a) A dockworker applies a constant horizontal force of 60.ON to a block of ice on a smooth…

A: Given data:  Initial velocity (Vi) = 0 Distance traveled (s) = 12.0 m Time (t) = 5.00 s Required:…

Q: A 48.0 kg swimmer with an initial speed of 1.30 m/s decides to coast until she comes to rest. Part A…

A: Given data: Mass (m) = 48.0 kg Initial velocity (vi) = 1.30 m/s Final velocity (vf) = 0 m/s…

Q: 1. a) If a car is traveling due westward with a constant speed of 20 m/s, what is the resultant…

A: The car is travelling horizontally at a constant speed. So, it does not have acceleration. According…

Q: a. How much force does an 80 kg astronaut exert on his chair while sitting at rest on the launch…

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Q: a. According to Newton's Second Law, the acceleration is directly proportional to the sum of the…

A: In the given question , mass M1 and M2 are attached to a rope over a pulley. According to Newton's…

Q: (c) In the diagram shown below, two forces act on a ball of mass 2 kg that is initially at rest.…

A: The mass of the ball is m=2 kg The vertical force acting on the ball is denoted by Fy=3 N The…

Q: a) A dockworker applies a constant horizontal force of 65.0N to a block of ice on a smooth…

A:

Q: A 75.0-kg woman stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in…

A: Given data: Mass of women, m=75.0 kg Initial velocity, u=0 m/s Final velocity, v=30.0 m/s Time,…

Q: Four forces act on an object, given by  A = 40.3 N east,  B = 43.3 N north, C = 74.7 N west, D =…

A: Given information:Force acting in east direction (A) = 40.3 N (“+ve” x-axis)Force acting in north…

Q: a. Explain, with a free body diagram, how an object can experience a zero net force when at least…

A: A) Net force is equal to 0 when sum of force in x in y direction sums to 0. B) Non zero net force is…

Q: Boxes of several sizes rest on a frozen pond, which serves as a frictionless horizontal surface. A)…

A: Given: The force applied by the fisherman is 26 N.             The acceleration is 8.5 m/s2.  To…

Q: A 10-lb block of steel is at rest on a horizontal table. The coefficient of static friction between…

A: Given data: The mass of the block, m=10 lb. The coefficient of static friction between the block…

Q: A 4.5 kg block is pulled across a horizontal surface that has a coefficient of kinetic friction of…

A:

Q: raight, horizontal track. If the acceleration of the train is constant, what is the magnitude of the…

A: We know that  we have given that the mass of the train is m and it starts from the rest and at a…

Q: A motorcycle and 48.5 kg rider accelerate at 2.4 m/s² up a ramp inclined 10° above the horizontal.…

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Q: (a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in…

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Q: (a) Find the resultant force (in N) exerted on the car. magnitude direction (counterclockwise from…

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Q: A 6.7 kg object undergoes an acceleration of 1.5 m/s?. (a) What is the magnitude of the resultant…

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Q: (b) Figure 4 shows the 70 kg concrete block is pull by electric motor. The force or tension in cable…

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Q: magnitude of the net force

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Q: A 7.9 kg object undergoes an acceleration of 2.5 m/s2. (a) What is the magnitude of the resultant…

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Q: A car of mass 972 kg is traveling 24.4 m/s when the driver applies the brakes, which lock the…

A: Given Data mass of the car = 972 kg initial velocity,vi = 24.4 m/s final velocity,vf = 0m/s time,t =…

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!