A woman stands on a scale in a moving elevator. Her mass is 72.0 kg, and the combined mass of the elevator and scale is an additional 815 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force of 9390 N. What does the scale read during the acceleration?  N

Q: A woman at an airport is towing her 23.5-kg suitcase at constant speed by pulling on a strap at an…

A:

Q: The air exerts a forward force of 10 N on the propeller of a 0.30 kg model airplane. If the plane…

A: The resistive force exerted by the air on the airplane is opposite of forward force of 10 N.…

Q: Under certain conditions, the human body can safely withstand an acceleration of 10 g. (a) What net…

A: Newton's second law state that the force acting on a body resting on a surface  is the product of…

Q: As part (a) of the drawing shows, two blocks are connected by a rope that passes over a set of…

A: Given data, Weight of first block w1 = m1g = 412 N Weight of second block w2 = m2g = 908 N taking g…

Q: two connected carts are pulled across the floor under the influence of a force of 36 N applied by a…

A:

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 8.1 kg object undergoes an acceleration of 1.8 m/s2. (a) What is the magnitude of the resultant…

A: Given,

Q: The speed of a bobsled is increasing, because it has an acceleration of 3.42 m/s2. At a given…

A: Given :      The acceleration of the bobsled, a=3.42 m/s2       Net forces resisting the motion, fR…

Q: An astronaut on the moon places a package on a scale and finds its weight to be 13 N. (a) What…

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Q: (a) A student makes a statement that a stationary object has zero acceleration but there still can…

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Q: C. Which of the following graphs could represent, to the same scale, the force exerted by the scale…

A:

Q: An airplane is built to withstand a maximum acceleration of 4 g. If its mass is 1,620 kg, what size…

A:

Q: a) Two objects with masses M1 = 5kg and M2 = 8kg are connected by a light string that passes over a…

A:

Q: what is the force of gravity berween two 1000 kg-cars separated by a distance of 25 m on an…

A: Given:Mass of the car, m1 = 1000 kgm2 = 1000 kgditance, d = 25 m

Q: An object of 50 kg is being moved along a horizontal surface by two people. They are both pushing…

A:

Q: An astronaut standing on the moon has a mass of 60.0 kg. On the moon, the acceleration due to…

A: Given data:  Mass (m) = 60.0 kg Acceleration due to gravity on the moon g' = 1.60 m/s2, down

Q: The figure shows block A of mass 3.15 kg and block B of mass 1.55 kg that rest on a horizontal…

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Q: a. During a rocket launch, an astronaut experiences a “g-force” (actually an acceleration) of 3.0 gs…

A:

Q: A painter stands on a horizontal uniform scaffold hung by its ends from two vertical ropes 6 m…

A: Given A painter stands on a horizontal uniform scaffold hung by its ends from two vertical ropes 6 m…

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.8 m/s?. (a) If…

A:

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

A: mass, m = 75 kg initial velocity, u = 0 m/s  final velocity, v = 30 m/s  time, t = 2 s

Q: A jet with mass m = 1.3 x 10° kg jet accelerates down the runway for takeoff at 2.4 m/s“. 1) What is…

A: Recall Fnet=m(Vf-Vi)/t Also if speed is constant the acceleration =0 so force is also zero in this…

Q: A 72 kg person is parachuting and experiencing a downward acceleration of 2.2 m/s2. The mass of the…

A: Given: Mass of the person=M=72 kg The mass of the parachute=m=4.8 kg The free-body diagram for the…

Q: A particle with mass  m = 5.00 kg accelerates according to a = (−2.60 + 2.30) m/s2. (a) What is the…

A: To determine,Partathe net force acting on the particle.given , mass(m)=5.0 kgacceleration(a→)=(−2.60…

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

A:

Q: Under certain conditions, the human body can safely withstand an acceleration of 10 g. (a) What net…

A: The force acting on an object is calculated by using the formula F=ma ,where m is the mass of the…

Q: an astronaut on the moon places a package on a scale and finds its weight to be 25 N.  (a) What…

A: a. the acceleration due to gravity on the surface of the moon is 1.6 m/s^2.

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.6 m/s?. (a) If…

A: (a) Decceleration (a)= 2.6 m/s2 Tension of the chord (T)= 60 N  Now,  T = mg + ma m = T/(g+a) m =…

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: 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. 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: Suppose a 59.5-kg gymnast climbs a rope. (a) What is the tension in the rope if he climbs at a…

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Q: n empty elevator car of a building has a mass of 1 metric ton. It has a counterweight with a mass of…

A:

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

A:

Q: Suppose an airline allows a maximum of 23 kg for each suitcase a passenger brings along. (a) What is…

A: Given :     Mass of suitcase, m = 23 kg   (a) We have ,        1kg = 9.8 N      Then,      23 kg =…

Q: A car of mass 1400 kg is pulled a 560 kg trailer away from parking lot with an acceleration of 1.85…

A: Part A.  m1 = mass of car = 1400 kg m2 = mass of trailer = 560 kg a = acceleration of system = 1.85…

Q: You work at a garden store for the summer. You lift a bag of fertilizer with a force of 114 N, and…

A: Given: The applied force on bag is F=114 N Bag moves upward with acceleration a=0.810 m/s2 Note: 1…

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

A:

Q: A jet with mass m = 1.2 x 10° kg jet accelerates down the runway for takeoff at 2.3 m/s. 1) What is…

A:

Q: During an experiment, a block of wood with a mass of 180 g is placed on an incline plane. When the…

A:

Q: (a) What is the mass of the child and basket if a scale reading of 100 N is observed? (b) What is…

A:

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

A:

Q: A 8.7 kg object undergoes an acceleration of 1.3 m/s2. (a) What is the magnitude of the resultant…

A: a) The expression for the force from Newton’s first law, F=maF=8.7kg1.3m/s2F=11.31N

Q: In an experiment performed in a space station, a force of 49 N causes an object to have an…

A: NOTE: I can solve first question only. Second question is incomplete.  Given,  Force on object, F=49…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”