Suppose a rubber stopper of mass 0.020 kg is attached to a string and revolving with constant speed of 4.0 meters/second about a horizontal circular path of radius 0.25 meters. What is the magnitude of the centripetal force on the rubber stopper?

Q: A 55-kg child riding a Ferris wheel (radius = 11 m) travels in a vertical circle. The wheel…

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Q: The Moon orbits the Earth at a distance of 3.84 x 10^8 m and with a tangential speed of 1 km/s. If…

A: Given Data radius of orbit , r = 3.84×108 m  mass of moon , mn = 7.3×1022 kgtangential speed of moon…

Q: A child is twirling a 0.0273-kg ball on a string in a horizontal circle whose radius is 0.125 m. The…

A: Mass of the ball, m = 0.0273 kg. Radius of rotation, R = 0.125 m. Time period, T = 0.409 s.   To…

Q: A 59-kg child riding a Ferris wheel (radius = 15 m) travels in a vertical circle. The wheel…

A: Introduction: Motion of the object in the circular path is described with the help of Newton’s laws…

Q: Two objects of equal masses are moving in uniform circular motion with one in clockwise direction…

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Q: At the northern tropic which you may take to be at 19 degrees north, air rises directly upwards from…

A: Given,The speed of air, v = 45 m/sThe angle made by northern tropic, θ=19°Angular velocity of Earth,…

Q: The spinner has a radius of 9.7cm and rotates with a frequency of 12Hz. Determine the magnitude and…

A: radius of spinner, r= 9.7cm= 0.097 m Frequency, f =12 Hz

Q: A child is twirling a ball on the end of a string in a horizontal circle around her head. What is…

A: In a uniform circular motion, the magnitude of the velocity is always constant but its direction is…

Q: Problem 2. A skier of mass 80 kg comes down a frictionless ski run that is circular (R = 30 m) at…

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Q: A ball attached to the end of a string is swung around in a circular path of radius r. If the radius…

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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…

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Q: boy rides a small car at a speed of 12 km / hr along a circular path with radius of 3.5 m. Wat is…

A: boy rides a small car at a speed of 12 km / hr along a circular path with radius of 3.5 m.

Q: A 2.00Kg puck on a frictionless horizontal surface on the Earth is constrained to a circular orbit…

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Q: Each of the space shuttle's main engines is fed liquid hydrogen by a high pressure pump. Turbine…

A: Angular speed, ω=189 rev/s =189×2π rad/s ω=1187.52 rad/s Radius, r= 0.0218 m To determine The…

Q: A boy whirls a ball on a string in a horizontal circle of radius 1 m. How many revolutions per…

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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…

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Q: A student ties a washer to the end of a string and swings it in a circle over her head. The washer…

A: Given Data:The speed of the washer is v=2.4 m/s.The radius of the circular path is r=0.51 mTo…

Q: What is the maximum speed (in m/s) that a car with a mass of 450 kg can have at point B in order for…

A: Here, the weight of the car provides the centripetal force.

Q: . A child is twirling a 0.0151-kg ball on a string in a horizontal circle whose radius is 0.0649 m.…

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Q: Sam (36 kg mass including same and his seat) is in a carnival ride that is swinging riders in…

A: Given :     Mass, m = 36 kg     radius of circular path , r = 12 m     Angle, θ = 300

Q: A ball of 0.145 is tied to a 50 cm rope and begins to spin in a horizontal circle. Determine (a)…

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Q: A pendulum consists of a 1.60 kg mass attached to a wire that makes a fixed angle of 15.0° with the…

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Q: A race car rounds a curve at 56 m/s. The radius of the curve is 445 m, and the car's mass is 700 kg.…

A: Centripetal acceleration: The acceleration is directed radially toward the centre of the circle. The…

Q: What centripetal acceleration do we undergo at the equator with respect to earth's center on account…

A: We know that centripetal acceleration is, ac = w2R where, w = angular speed and R = radius

Q: A 1250-kg vehicle travels at a constant speed of 7.00 m/s around a circular track that has a radius…

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Q: A 53-kg child riding a Ferris wheel (radius = 14 m) travels in a vertical circle. The wheel…

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Q: 55.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter…

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Q: In the circular motion experiment, if the rubber piece ( m= 15 g) rotates in a circular path with a…

A: Given: Mass, m=15 g=0.015 kg Radius, r=0.59 m Frequency, f=2.1 Hz Formula: Fc=mrω2

Q: A 1 kg block is attached to vertical rod by means of two strings. When the system rotates about the…

A: Net force towards centre is known as centripetal force. here block is acted by three forces: 1.…

Q: Find the centripetal accelerations at each of the following points due to the rotation of Earth…

A: Given data *The radius of the earth is r=6.38×106 m *The period is T = 1 day = 86400 s *The radius…

Q: It took a 900 kg racing car 12.3 seconds to travel at uniform speed around a circular racetrack of…

A: Mass of vehicle is Time is Radius of circular track is Note:Find:(a) Centripetal acceleration.(b)…

Q: You are speeding around a turn of radius 70.0 m at a constant speed of 18.0 m/s. Assuming your mass…

A: Radius r = 70.0 m Speed v = 18.0 m/s Mass m = 75.0 Kg

Q: At the northern tropic which you may take to be at 23 degrees north, air rises directly upwards from…

A: Given: Angle, ϕ=23 ° Speed, v=30 m/s Radius, r=6.37×106 m To find: Magnitude of Coriolis and…

Q: It takes a 813kg racing car 0.532 mins to travel at a uniform speed twice around a circular…

A: Given  Mass = m = 813kg Time taken to complete two round = t = 0.532 mins radius = r = 103m We have…

Q: The Earth has a mass of 5.97 * 1024 kg and the Sun has a mass of 2.00. * 1030 kg. If they are…

A: The required force between the earth and Sun is,

Q: A toy airplane with a mass of exactly 0.200 kg is tied to a 1.50 m string. The other end of the…

A: Given : mass of toy, m = 0.2 kg              length of string, L = 1.50 m             Angle with…

Q: Assume the Moon travels in a perfect circle around the Earth, with masses 7.35 * 1022 kg and…

A: Write the expression for the centripetal force.

Q: An object is moving in a circle with uniform speed. The centripetal force on it is F, its velocity…

A: Direction of velocity(V) is always tangential to a point on the circle.Hence, it doesn't point to…

Q: An ordinary workshop grindstone has a radius of 9.50 cm and rotates at 7000 rev/min.   (a) Calculate…

A: Given information: Here, r is the grindstone radius, and ω is the grindstone angular speed.

Q: A ball is swung in a horizontal circle at a constant speed. Each circle takes 0.85 seconds to…

A: The expression to solve for the angular velocity of the ball is as follows: ω=2πTω=2π0.85 sω=7.39…

Q: A child whirls a stone on a string in a horizontal circle of radius 1.5 m and at a height of 2.0 m…

A: Given R=1.5m, h=2.0m, H=13.3m, g=10N/kg

Q: number of forces in plane: centripetal force: Are all forces balanced? What is the magnitude of the…

A: number of forces in plane = 2  (normal from surface and weight) centripetal force is provided by…

Q: Modern roller coasters have vertical loops like the one shown. The radius of curvature is smaller at…

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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.