A parachutist, after opening her parachute, finds herself gently floating downward, no longer gaining speed. She feels the upward pull of the harness, while gravity pulls her down. Which of these two forces is greater? Or are they equal in magnitude?

Q: An 80 kg person is standing on a scale in an elevator. Find the weight that the scale reads when the…

A: The answers are below

Q: 5.0 second interval? A net force of 5.0 x 10 newtons causes an object to accelerate at a rate of 5.0…

A:

Q: A panda of mass 45 kg is climbing up a vine that can bear a maximum tension of 640 N. Identify in…

A: Given, m = 45 kg g = 10 m/s ( a ) When he accelerates up at 5 m/s2 : T = m (g + a)…

Q: If a 5.0 kg box is pulled simultaneously by a 10.0 N force in the east direction and a force 5 N in…

A: Given data The mass of the box is given as m = 5 kg. The magnitude of the force in east direction…

Q: Figure P5.36 shows loads hanging from the ceiling of an elevator that is moving at constant…

A: Given, this system is in equilibrium as there is no acceleration applied by movement of lift. At…

Q: A 2-kg object is thrown upwards with an initial velocity of 16 m/s. At the peak of the trajectory,…

A:

Q: If the net force on a 10 kg object is 40 N, what can we say about this object? The object will be…

A: Given data:  Mass (m) = 10 kg Net Force (Fnet) = 40 N Required:  Acceleration (a)

Q: If a net force accelerates a 4.5-kg tool at 40 m/s 2, what acceleration would that same net force…

A: According to Newton's second law, the net force exerted on a body is equal to mass times the…

Q: The car in the previous question has an acceleration of 5.7 m/s? up the hill and mass of 737 kg.…

A: Data Given , Car Acceleration ( a ) = 5.7 m/s2 Mass of the car ( m ) = 737 kg  We have to find out…

Q: The magnitude of the apparent weight of 75 kg man in an elevator accelerating at a rate of 1.08 m/s2…

A: Operation e. Is correct. Explanation-

Q: A parachutist of mass 60 kg falls at a steady speed of 10 m/s. The gravitational field strength g is…

A: Since you have asked multiple questions, we will solve the second question for you because the first…

Q: Two blocks are fastened to the ceiling of an elevator as in Figure P4.19. The elevator accelerates…

A: Equation of motion of Upper block is as follows: ma=T1-2mg…

Q: A Cadillac Escalade has a mass of 2569.6 kg, if it accelerates at 4.65 m/s^2 what is the net force…

A: Part (1): Given: The mass of the object is 2569.6 kg. The acceleration of the object is 4.65 m/s2.

Q: A spaceship takes off vertically from rest with an acceleration of 29.5 m/s2.29.5 m/s2. What…

A:

Q: A man standing on a scale in an elevator notices that the scale reads 30 newtons greater than his…

A: Let the mass of the person = m let the weight of the person = w Reading of the scale = 30 N greater…

Q: A 20 kg object is having an acceleration of 4 m/s in the North direction; the net force acting on…

A: The force F acting on an object of mass m having acceleration a is given by, F = ma. The direction…

Q: A crate of mass m = 32 kg rides on the bed of a truck attached by a cord to the back of the cab as…

A:

Q: 1200-kg car accelerates 25 m/s in 10 s. If a frictional force of 150 N resists the motion, what…

A:

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: What horizontally applied force will accelerate a 400-kg crate at 1 m/s2 across a horizontal factory…

A:

Q: The force in Ibf necessary to accelerate a weight of 20 Ibf at a rate of 60 ft/sec2 vertically…

A: weight = 20 lbf acceleration = 60 ft/s2

Q: The horizontal surface on which the objects slide is frictionless. The acceleration of gravity is…

A:

Q: A strong boy throws a rock straight up with a force of 100 N. At what rate does the rock initially…

A: mass of the rock = m = 2 kg up ward force = F = 100 N Acceleration due to gravity = g = 9.74 m/s2…

Q: A 45 kg block hanging on a string is pulled upward by the string with an upward acceleration of 3.6…

A:

Q: 80 kg object is initially sliding across a table and you are applying a force of +300 N. The…

A:

Q: A tractor pulling two trailers, M1 and M2, with a constant acceleration. T has a mass of 200 kg, M1…

A: Given data: The mass of tractor is T=200 kg. The mass of trailer 1 is M1=100 kg. The mass of…

Q: A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 6.00 m/s2. What is…

A: Given data:  Mass (m) = 5 kg Acceleration (a) = 6.00 m/s2, downward Required: The magnitude of the…

Q: In the absence of air drag, the acceleration due to gravity is 9.81 m/s². What is the magnitude of…

A: Draw the free-body diagram of the body as:

Q: The only force acting on a 5-kg object has components Fx = 60 N and Fy = 80 N. Find the acceleration…

A: Given data :-      Fx = 60 N Fy = 80 N mass m = 5 kg

Q: If you apply a net force of 3 N on .1 kg-box, what is the acceleration of the box (a) 2 m/s2 (b) 30…

A: Given : Fnet = 3 N m = 0.1 kg

Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A:

Q: 4. A 90 kg man stands in an elevator that has a downward acceleration of 1.4 m/s?. The force exerted…

A: We’ll answer the first question since the exact one wasn’tspecified. Please submit a new question…

Q: A ball with a mass of 5 kg is accelerating at 5 m/s/s. What is the force acting on the ball? 5 N 25…

A: From Newton’s 2nd law, the force acting on the ball is given as, Here, m and a represent the ball’s…

Q: 9. In the absence of air drag, the acceleration due to gravity is 9.81 m/s. What is the magnitude of…

A: Given: The mass of the body is 0.25 kg. The acceleration due to gravity without air drag is 9.81…

Q: the weight of a man in a lift moving upwards is 608N, While the weight of same man in the lift…

A: Dear student When any object is placed in non inertial reference frame, there acts a pseudo force on…

Q: A skier with a mass of 60 kg is sliding down a snowy slope, the slope with an angle of 30 degrees…

A:

Q: The only force acting on a 5-kg object has components Fx = 60 N and Fy = 80 N. Find the acceleration…

A:

Q: A stone of mass 2 kg and weight 20 N falls through the air. The air resistance acting on the stone…

A:

Q: For the same applied force, if you doubled the mass of a particle its acceleration will be;   a.…

A: According to Newton second lawF=maWhereF=Force on object m=mass of objecta=acceleration of object

Q: What net force is needed to give a 40.0 kg grocery cart an acceleration of 2.4 m/s^2? a. 0.06 N c.…

A: Force is directly proportional to the product of mass with acceleration F=ma Where,  M is the mass a…

Q: A 5-kg box is on a rough horizontal surface. An external force F is applied horizontally to the box.…

A: When F = 4 N force is applied than the box is moving with the constant speed that means the…

Q: In which of the following cases would you feel weightless? A Walking on the moon B. Falling from an…

A: Weightlessness is felt when the only force acting on a body is the force of gravity. Force of…

Q: A 16 kg object moving East is acted upon by a force 46 N acting West. The acceleration (in m/s?) of…

A: Answer - a.) 2.88 West Aim We will use Newton's second law of motion which states a relationship…

Q: Rudolf pulled a 50 kg sled over a snow-covered ground. If the coefficient of kinetic friction is…

A:

Q: 4. A 90 kg man stands in an elevator that has a downward acceleration of 1.4 m/s. The force exerted…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: