A woman places her briefcase on the backseat ofher car. As she drives to work, the car negotiates an unbankedcurve in the road that can be regarded as an arc of a circleof radius 62.0 m. While on the curve, the speed of the car is15.0 m/s at the instant the briefcase starts to slide across thebackseat toward the side of the car. (a) What force causes thecentripetal acceleration of the briefcase when it is stationaryrelative to the car? Under what condition does the briefcasebegin to move relative to the car? (b) What is the coefficientof static friction between the briefcase and seat surface?

Q: A 2 kg rock is attached to a 3 m string. The rock is swung in a horizontal circle, making one…

A: Given data: m=2 kgl=3mT=4 s Need to determine the magnitude of the centripetal acceleration and the…

Q: One end of a cord is fixed and asmall 0.500-kg object is attached to theother end, where it swings…

A: Given that           v =8.0 m/s           r =2.0 m           θ= 20 deg           m =0.50 kg

Q: An object of mass 1.0 kg moves in a circle of radius 1.0 m at constant speed of 2.0 m/s. Find the…

A: The expression for the work done is W=∫F·ds In this case the centripetal force is given by F=mv2r…

Q: A civil engineer calculates that the magnitude of the maximum centripetal acceleration of a car on a…

A: Given:- Magnitude of the maximum centripetal acceleration of the car is ac,max=4.40 m/s2 Speed of…

Q: A fighter pilot, whose mass is 68 kg, completes a vertical loop of radius R=133m with a constant…

A: Given data: Mass of the pilot, m=68 kg Radius, R=133 m Constant speed, v=441 m/s Acceleration due to…

Q: Mr. M is now racing on a track that looks like the description in the picture. He laps around this…

A:

Q: A 14000N car traveling at 25 m/s rounds a curve of radius 200 m. Find the following 1. The…

A: The expression for the centripetal acceleration, ac=v2r   Substitute, ac=25 m/s2200 m=3.125 m…

Q: A 7200-pound vehicle is driven at a speed of 25 miles per hour on a circular interchange of radius…

A: Given: The weight of the vehicle is W = 7200 lb. The speed of the vehicle is v = 25 miles/hr. The…

Q: A 0.208 kg toy can be whirled in a horizontal circle of 1.0 meter radius at a maximum o 3.0 rev/s…

A: Given: The mass of the object is 0.208 kg. The radius of the circular path is 1 m. The angular speed…

Q: If the jet is moving at a speed of 1040 km/hkm/h at the lowest point of the loop, determine the…

A: According to the question A jet is moving at a speed of 1040 km/h at the lowest point of a circular…

Q: A racetrack has the shape of an inverted cone, as the drawing shows. On this surface the cars race…

A:

Q: The centripetal acceleration of an object is 240 m/s^2. If the radius is tripled and the period of…

A: In the given question, Centripetal acceleration (a) = 240m/s2 The radius is tripled and the period…

Q: Assume the Earth travels in a perfect circle around the Sun, with masses, 2.00 * 1030 kg and…

A: Write the expression for the centripetal force.

Q: A ball of mass m = 0.275 kg swings in a vertical circular path on a string L= 0.850 m long as shown…

A:

Q: Answer the follwing questions The bobsled track at the 1994 Olympics contained turn with…

A:

Q: What is the smallest radius R about which an automobile can turnwithout skidding at 100 km/h if μ =…

A: For not skidding, the centripetal force is balanced by the friction force.  μ m g =m v2R where, v is…

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:

Q: A car, with mass m, is racing around a circular track with some velocity v. If the car suddenly had…

A: Centripital acceleration a1= mv2/r  If mass m=3m  Velocity v=2v

Q: What is the friction force on a 1800kg car if it rounds a curve with a radius of 110m at a speed of…

A: Given:-          Friction force = 1800 kg             radius = 110 m.             Speed = 15 m/s.…

Q: he drawing shows a baggage carousel at an airp around at a constant speed on a circle (r = 10.…

A: Centripetal force = mv2 /R Hff

Q: A ball of mass m = 0.275 kg swings in a vertical circular path on a string L= 0.850 m long as shown…

A:

Q: A 70-kg runner rounds a track of radius 25 m at a speed of 8.8 m/s. What is the central force caus-…

A: Given data: Mass (m) = 70 kg Radius (r) = 25 m Speed (v) = 8.8 m/s Required: Centripetal force (Fc)

Q: In the figure, a stuntman drives a car (without negative lift) over the top of a hill, the cross…

A: In the given question given that radius of the circle is 284m and we have to determine the value of…

Q: A child with mass 27.5 kg rides on a carnival Ferris wheel that takes him around a verical circular…

A: Given: Mass of child (m) = 27.5 kg. Radius of circular loop (R) = 29.5 m.

Q: A jet pilot takes his aircraft in a vertical loop , if the jet is moving at a speed of 1140 km/m ,…

A: Centripetal acceleration is a type of  acceleration in uniform circular motion. It direction is…

Q: What is the minimum radius at which an airplane flying at 134.9 m/s can make a U-turn if its…

A: We know centripetal acceleration a = v2/R where v is speed.   R = is radius  given maximum…

Q: If the jet is moving at a speed of 840 km/h at the lowest point of the loop, determine the minimum…

A: Given data: Speed of the get (v) = 840 km/h                                  =840*(5/18) m/s…

Q: a motorcyclist accompanies a circle whose radius is 20M at a speed of 72 km / h, so if the total is…

A: a motorcyclist accompanies a circle whose radius is 20M at a speed of 72 km/h, so if the total is…

Q: Engineers who design roads typically “bank” (incline) curves in such a way that a car traveling at…

A: Given data: The radius of curvature is r=55 m. Recommended speed is v=45 km/hr.

Q: Hungarian Adrian Annus won the gold medal for thehammer throw at the 2004 Olympics in Athens with a…

A: v02g = 83.19          . . . . . Given v0 = 83.19×g v0 = 83.19×9.8 v0 = 28.55 m/s The relation…

Q: What is the magnitude of the car's centripetal acceleration when the car is at the top of the loop?…

A: The centripetal acceleration is defined as when the body moves in the circular path and changes its…

Q: What is the magnitude of the centripetal acceleration of a bicycle that is traveling at a speed of…

A:

Q: A horizontal force of 310 N , is exerted on a 2.5 kg ball as it rotates ( at arm's  length )…

A:

Q: Which of the following point towards the center of the circle in uniform circular motion? Velocity,…

A: In a uniform circular motion, the acceleration of the object points towards the center of the…

Q: A pendulum of length L=3.0m is swinging back and forth with a bob of m=0.5kg. At the lowest point of…

A:

Q: A 0.80 kg ball , attached to the end of a horizontal cord , is rotated in a acircle of radius 2.0m…

A: Given information: The mass of the ball (m) = 0.8 kg The length of the string (l) = 2.0 m The…

Q: The merry-go-round in the park has a radius of 1.5m. If my neighbor's child (m=40 kg) sits close to…

A:

Q: A hockey puck that has a mass of 0.150 kg is tied to a light string and spun in a circle of radius…

A: Given data:  Mass (m) = 0.150 kg Radius (r) = 1.15 m Maximum tension (Tmax) = 4.00 N Required: The…

Q: A pilot performing a horizontal turnwill lose consciousness if she experiences a centripetal…

A:

Q: You are tasked with designing a roller coaster ride with a radius of curvature of 6.0 m.  What…

A:

Q: A small ball with mass 0.50 kg moves in a vertical circle on the inside of a frictionless circular…

A: The given data:   The mass of the ball, m = 0.50 Kg The radius of the curvature, R = 0.80 m

Q: A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a…

A:

Q: A jet pilot takes his aircraft in a vertical loop , if the jet is moving at a speed of 1140 km/m ,…

A:

Q: A body, B, is moving at constant speed in a circular path around point P. Which diagram shows the…

A: As we know that the direction of the centripetal force is towards the center and the direction of…

Q: A fighter pilot, whose mass is 76 kg, completes a vertical loop of radius R=464m with a constant…

A: A measurement of the gravitational force acting on an object is the weight of that object.

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.