Q: A 60kg girl accelerates at a rate of 3m/s^2, what is the net force on the girl
A: Solution: As given in the problem: m, mass of the girl = 60 kg a, acceleration = 3 m/s2 what is net…
Q: A 50 kg child on a skateboard experiences 75 N force. What is the expected acceleration of the…
A: The expression for acceleration of the child is a=Fm
Q: A skateboarder of mass 60kg undergoes an acceleration of 12.6 m/s2. What is the unbalanced force…
A: Given:- a mass of skateboarder of mass 60 kg acceleration of the skateboarder =12.6…
Q: A body of mass 2.00 kg is pushed straight upward by a 25.0 N vertical force. What is its…
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Q: A 12 kg box is pulled along level ground at constant velocity by a horizontal force of 55.0 n. what…
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Q: The mass of a mining cart is 40 kg. It is moving with a constant acceleration of 10 m/s/s. What is…
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Q: A constant net force of 300 N is applied to accelerate a cart from rest to a velocity of 40m/s in…
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Q: A 65.7-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is…
A: Given The mass of the person is m = 65.7 kg. The upward acceleration is a = 1.77 m/s2. The…
Q: A mass of 10 kg is accelerating at 3 m/s^2.What is the applied net force ?
A: solution as
Q: Three masses of 3, 2 and 1 kg are pulled by a force of T1 = 12N. What is the acceleration of the…
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Q: The brakes on an elevator weighing 50,000 N act upward with a force of 100,000 N. What is the…
A: Given data: Weight of elevator (W) = 50,000 N Braking force (F) = 100,000 N Required: Acceleration…
Q: A 63.0-kg sprinter starts a race with an acceleration of 4.20 m/s. What is the net external force on…
A: Given:- Mass=63 Kg To find:- Net force on the body
Q: A pitcher throws a baseball with a 3.0 N [forward] force and it accelerates by 21 m/s^2, What is the…
A: Given data: Force (F) = 3.0 N Acceleration (a) = 21 m/s2 Required: Mass (m)
Q: A 10 kg is suspended vertically in a cord. What is the tension in the cord? *
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Q: A 40 kg box is pushed across a carpeted floor with an applied force of 99N. The friction acting…
A: Given data: Mass (m) = 40 kg Applied force (F) = 99 N Friction force (f) = 34 N Required:…
Q: A 9.97 kg object speeds up from 18.68m/s to 50.58m/s over a distance of 115.3m. What is the…
A: The mass of the object is m = 9.97 kg. The initial velocity of the object is u = 18.68 m/s. The…
Q: While traveling at constant speed in an airplane, a passenger's weight is 750 N. When the airplane…
A: Initially the airplane is moving with constant speed so the acceleration of the airplane is zero.…
Q: Andrea, a 63.0-kg sprinter, starts a race with an acceleration of 4.200 m/s2 . What is the net…
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Q: A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s.…
A: The equation of motion is, v = u + at9m/s =0+a3.0sa=3m/s2
Q: if 3 people all push to the right with 8.50 N force ,but the boat has an acceleration of 0.530 m/s2…
A: Force by one person is 8.50 N so Total force by all three people (F) = 3 x 8.50 F = 25.5 N…
Q: If a box is pushed with a net force of 75 Newtons and accelerates at a rate of 6.50 m/s2, what is…
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Q: A fireman with a mass of 55.7 kg slides down a vertical pole at a constant speed. What is the force…
A: mass of fireman (m) = 55.7 kg Weight of fireman = m×g =55.7×9.8 = 545.86 N
Q: The net horizontal force on a 56000 kg railroad boxcar is 5800 N. What is the acceleration of the…
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Q: A student weighs 200 N. If he is in an elevator that is accelerating upward at 2.00 m/s/s, what…
A: weight of student (mg) = 200 N Upwards aceleration (a) = 2 ms2
Q: A crate has a mass of 24 kg. What applied force is required to produce an acceleration of 3 m/s2 if…
A: According to Newton's second law of motion, Fnet = m a --------(1) The friction on crate is working…
Q: A skydiver of 75.0 kg mass has a terminal velocity of 60.0 m/s. At what speed is the resistive force…
A: Given: The mass of the skydiver is m=75 kg The terminal velocity is Vt=60.0 m/s
Q: A force of 20 N acts upon a bopdy whose weight is 8N. What is the mass of the body? What is the…
A: Given Data: The force is, F = 20 N. The weight is, W = 8 N. The mass of the body can be calculated…
Q: The helicopter lifts the rescuer and the victim with a total mass of 161 kg with an acceleration of…
A: As F=ma Newtons second law. Applying this for the forces on rescuer and victim combined mass.
Q: What is the terminal velocity of a 7.41-kg mass object in falling with a force of friction that…
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Q: A 63.0-kg sprinter starts a race with an acceleration of4.20 m/s2. What is the net external force on…
A: Mass of the sprinter m=63 kg The acceleration of the sprinter a=4.20 m/s
Q: A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of…
A: Given:- F = 100N Ө = 37 M = 40kg A = ? Equation of motion
Q: An Astronaut on the moon places a package on a scale and finds its weight to be 12 N What is the…
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Q: A 1090 kg automobile is pulled by a horizontal tow line with a net force of 829N. What is the…
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Q: A 10 kg box is pulled upward with a tension force of 150 N. What is the Velocity, Acceleration and…
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Q: A 900g object is acted upon by force of 15 N. What is its acceleration?
A: According to Newton's second law of motion the force F on a body of mass m and the acceleration (a)…
Q: An elevator cab that weighs 22.5 kN moves upward. What is the tension in the cable if the cab's…
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Q: Two horizontal forces of 100N [N] and 80N [S30W] act on an object with a mass of 10kg. what is the…
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Q: An elevator weighs 10000N. It has a cord attached to it on the top. It accelerates downward at 3m…
A: We can calculate the tension in this case by equating the forces on the elevator. The gravitational…
Q: The net force that acts on a ball is 25 N and it the accelerates at a rate of 30 m/s?. What is the…
A:
Q: As 2-kg ball rolls down a ramp, the net force on it is 10 N. What is the acceleration?
A: mass of ball (m) = 2 kg Net force acting on the ball (F) = 10 N
Q: A net force of 170 N acts on a body whose weight 96 N. What is the acceleration?
A: Given: Force acting on the body (F) = 170 N Weight of the body (W) = 96 N To Find:…
Q: The gymnast weighs 427 N and is suspended motionless from two spring scales, each of which has…
A: Weight of Gymnast is W = 427 N
Q: An elevator cab that weighs 27.8 kN moves upward. What is the tension in the cable if the cab’s…
A: Given Weight of the elevator W = 27.8 kN Acceleration a = 1.22 m/s2
Q: acceleration of the mass
A:
Q: A 6.8-N net force is applied to a 34-kg object. What is the objects acceleration?
A: Force is defined as the product of mass and acceleration. F=m*a…
Q: A net force of 170 N acts on a body whose weight 96 N. what is the acceleration?
A: Given Net force = 170 N Weight = 96 N We have to calculate the acceleration of the body.
A 10.0 kg mass hangs on a string with a tension of 52.0 N, what is its acceleration?
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- . Under certain conditions, the human body can safely withstand an acceleration of 10 g. (a) What net force would have to act on someone with mass of 50 kg to cause this acceleration? (b) Find the weight of such a person in pounds then convert the answer to (a) to pounds.A body hangs from a spring balance supported from the roof of an elevator. If the elevator has an upward acceleration of 4 m/s2 the balance reads 45N, what is the true weight of the body?Two people push horizontally on a 20 kg box in opposite directions. One pushes to the right with a force of 15 N and the other pushes to the left with a force of 4 N. There is also friction forceof 1 N between the floor and the box. What is the horizontal acceleration of the box?
- A body of mass 2.00 kg is pushed straight upward by a 25.0 N vertical force. What is its acceleration?At the surface of Jupiter’s moon Io, the acceleration due togravity is g = 1.81 m/s2. A watermelon weighs 44.0 N at the surface ofthe earth What is the watermelon’s mass on the earth’s surface?Your friend, who dislikes doing pushups, when she does a pushup from her knees,. You estimate your friend weights about 68.71 kg. Use g=9.8 m/s2. What is the supporting force from EACH of her hands in unit of N?
- 1. A force of 20 N acts upon a bopdy whose weight is 8N. What is the mass of the body? What is the acceleration?4. An elevator (mass 4850 kg) is to be designed so that the maximum acceleration is 0.0680g. What are the maximum and minimum forces the motor should exert on the supporting cable? : blodged or 11.agli 31 voted 4 DAS to mumixa bosted we pad report AS 5. A load whose mass is 15.0 kg is lowered vertically by a rope. In a given instant, the tension in the rope is 170 N. What is the acceleration of the load? Is it UP, or DOWN? el molenst eritti und to y eqot of Jaloud gil-28 a Mil os hosu gniad el eggs A.C entvom al 31 88.8 begin gated walls bris Jas in betite Soxoud ont acol vo M 388 6. A 1200-kg car starting from rest reaches a speed of 60 mi/h meleons edi Felo S.C in 52.0 s. (a) What is its acceleration (m/s²)? (b) What force is acting upon it? ****Note: 1 mi/h = 0.447 m/s9. By what factor does the drag force on a car increase as it goes from 46 to 115 km/h? (Give the percentage increase.) AF Fo Additional Materials O Reading 10. A skydiver weighing 910 N opens his parachute at the appropriate height from the ground. The air exerts a significant upward drag force, which is initially greater than the weight of the diver. This helps to slow the skydiver down. What is the diver's acceleration (both direction and magnitude in m/s?) if the magnitude of the drag force is 1165 N? magnitude m/s? direction -Select-- Additional Materials O Reading 11. During a circus act, one performer swings upside down hanging from a trapeze holding another, also upside-down, performer by the legs. If the upward force on the lower performer is three times her weight, how much (in m) do the bones (the femurs) in her upper legs stretch? You may assume each is equivalent to a uniform rod 30.0 cm long and 1.88 cm in radius. Her mass is 55.0 kg.
- 17. A net force F acts on a mass m and produces an acceleration a. What mass would accelerate at a rate 8a if the force is decreased to F/2?You are pulling a 35 kg object with 18.4 N force which is oriented at 10 degree with ground. What is accelerationA Rolls-Royce Phantom traveling at 5.6 m/s2 acceleration makes an emergency stopwith a net force acting on it -1.83 x 10 4 N. What is the weight of the Rolls-RoycePhantom?A net force of 170 N acts on a body whose weight 96 N. What is the acceleration?