A girl of mass 40 kg stands on a roundabout 2.0 m from the vertical axis as the roundabout rotates uniformly with a period of 3.0 s. The horizontal force acting on the girl is approximately A zero. C 7.2 × 10² N. D 2.8 × 10* N. B 3.5 x 10 N.

Q: Determine the magnitude of the force on the pin at A for the jib crane shown in Figure Q6. a) 55.95…

A:

Q: #13

A:

Q: A 2-N weight is swung in a vertical circle of 1m radius at the end of the cable that will break if…

A:

Q: A 4.0-kg object is attached to a vertical rod by two strings as shown in Figure P7.69. The object…

A: T1  cos 90-θ+T2 cos 90-θ=mv2rT1+T2  sinθ=mv2rT1+T2=mv2r sinθ→          1Now from vertical…

Q: A 700g ball rotates around a vertical shaft supported by two strings, as shown in the picture below.…

A: Given : Mass of ball (m) = 700 g = 0.7 kg Tension in the upper string (T1) = 20 N Let the angle…

Q: 21. The moment of inertia of an object about an axis that passes through its center of mass is the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 1. A light string can MT support Mary a station- hanging load of 25.0 kg before breaking. An object…

A: Given Data : The maximum weight supported by the string is given as Tmax = 25Kg. The mass of the…

Q: A 5.0-kg box is pulled by a horizontal force F applied to the top of the box. When the box meets a…

A: Given data: mass of the box (m) = 5 kg Width (w) = 60 cm Height (h) = 80 cm Need to determine the…

Q: A child of mass m=19 kg rides on a Ferris wheel as shown in Figure below. The child moves in a…

A: the acceleration of the ride is a=v2r=2.4 m/s21.48 m=3.89 m/s2

Q: A 19.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rpm. (a) What…

A:

Q: block 1 has mass m1 = 460 g, block 2 has mass m2 = 520 g, and the pulley is on a frictionless…

A:

Q: A car of mass M= 1400 kg traveling at 65.0 km/ hour enters a banked turn covered with ice. The road…

A:

Q: Problem 3: Figure shows a commercial centrifuge machine. The structure consists of a horizontal,…

A:

Q: Starting from rest at point A, a 5.00 kg block slides downward inside a frietionless circular hoop…

A:

Q: can I get some help with this question

A:

Q: A coin is placed 34 cm from the center of a horizontal turntable, initially at rest. The turntable…

A: The coin wouldn't slip unless the centrifugal force experienced by it becomes equal to the…

Q: A 0.50-kg toy is rotated in a circular path on a horizontal frictionless table using a 0.30-m-long…

A:

Q: A 700g sphere rotates around a vertical pole supported by two ropes, as shown in the image below. If…

A:

Q: You have a grindstone (a disk) that is 397.84 kg, has a 0.272-m radius, and is turning at 30.804…

A:

Q: The 0.20 kg puck on the frictionless, horizontal table shown is connected by a string through a hole…

A: Given Data: The mass of puck is, mpuck=0.20 kg The mass of the block is, mblock=1.20 kg The radius…

Q: pictures

A:

Q: Zorch, an archenemy of Superman, decides to slow the Earth's rotation to once per 41.5 h by exerting…

A:

Q: A model airplane with a mass of 0.751 kg is tethered by a wire so that it flies in a circle 29.2 m…

A:

Q: A child twirls his ball horizontally about his head rather than using it properly. The ball has a…

A: Mass of ball (m)= 0.200 kg length of string (L) = Radius of the circular orbit followed by ball=…

Q: 15. A merry go round (a disk I =MR², M=200 kg, R=2 m) rotates at 0.2 rad/s. A child with a mass of…

A: Mass of merry go round , M = 200 kg Radius , R = 2 m Initial angular velocity  , ωi = 0.2 rad/s Mass…

Q: 10) A mass m2 hangs from the end of a rope which passes over a disk shaped pulley of mass M and…

A:

Q: 4. In an amusement park rocket ride, cars are suspended from 4.25-m cables attached to the rotating…

A: Formula of centripetal force is as follows: Fc=mrω2…

Q: 23. A 1.00 x 10° kg car is driven clockwise around a flat circular track of radius 25.0 m. The speed…

A:

Q: A 40 kg child sits on the edge of a carnival ride at a radius of 4 m. The ride makes 3 revolutions…

A:

Q: Start Earth Falling Mass 200 g Outer Radius 100 mm In the setting below, what is the resulting…

A: mg-T = ma ....(1) TR = (MR2/2)×a/R  T = Ma/2 ......(2)

Q: Two blocks are connected by massless string that is wrapped around a pulley. Block 1 has a mass…

A: Consider two blocks connected by massless string that is wrapped around a pulley.

Q: If a 1,000-kg car is traveling at 20.0 m/s when it reaches the bottom of a circular hill of radius…

A: m=1000 kg, v=20 m/s r=8.0 m

Q: a. The reaction force to your weight when you are standing on the floor is b. An astronaut on the…

A:

Q: A coin rests 14.5 cm from the center of a turntable. The coefficient of static friction between the…

A: The coin moves when the maximum force of static friction is reached. The condition for relative…

Q: The ability of a force to cause a rotation depends on what factors? Choose from the statements…

A:

Q: One end of a string is wrapped several times around a pulley of mass  0.92 kgkg  that is oriented…

A: Given that:- Mass of block=0.35kg

Q: A block with mass m = 5.00 kg slides down a surface inclined 36.9° to the horizontal (Figure 1). The…

A: Mass of the block , m = 5 kg Angle , θ = 36.9° Coefficient of kinetic friction , μk = 0.27  Mass of…

Q: In the figure, block 1 has mass m₂ 480 g. block 2 has mass m₂ - 550 g, and the pulley is on a…

A:

Q: 3. A box (m=100 kg.) is subjected to a force F = 450 N. The static and kinetic friction coefficients…

A:

Q: The wagon and the girl, shown in the following figure, has a weight of 100 N located at the center…

A: Scenario -  Wagon and a child are pulled together by a force applied at certain angle. Given : Force…

Q: A block with mass m1 m1=2.30 kg rests on a frictionless table. It is connected with a light string…

A: Recall Newton's second law  F=ma Refer the FBD and newton's second law equations below.

Q: At an amusement park, Karen whose mass m is 28.02 is on a car of a Ferris Wheel. The wheel of radius…

A:

Q: In the figure, block 1 has mass m - 480 g, block 2 has mass m2 - 510 g, and the pulley is on a…

A:

Q: Mass my on the horizontal frictionless table of the figure is connected by a string through a hole…

A: The weight due to the body of the m2 is                                               = m2*g,…

Q: 40. A body of mass 4 kg moves with constant angular Speed 37 rad s'' around a horizontal circle of…

A: Given, Mass (M) =4kg Angular speed(ω) =3π rad/s Radius(R) = 2m   We know, Force acting towards the…

Q: Zorch, an archenemy of Superman, decides to slow the Earth's rotation to once per 30.5 h by exerting…

A: Given: Rotation period of earth is once per 30.5 hour. Force exerted by Zorch is F=4.6×107 N Initial…

Estimate of calculation