A 615 kg racing car completes one lap in 14.3 s around a circular track with a radius of 50.0 m. The car moves at constant speed. (a) What is the speed of the car? (b) What force must the track exert on the tires to produce this acceleration? (c) If the turn were larger, explain what happens to the force that is needed?

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Q: If the man pulls the strap with constant acceleration during a short time interval Δt, calculate the…

A: Vf=1.9m/s R=0.4m M=2.4kg ∆t=0.3sec

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A: Draw the free-body diagram of the car at the top of the loop.

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A: We know that when a mass of m is tied to a string and undergoes a uniform circular motion, the…

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Q: A 0.60-kg rock is swung in a circular path and in a vertical plane on a 0.50-m-length string. At the…

A: Draw the free-body diagram of the rock at the top point.

Q: 9. A block is sliding on a frictionless surface which includes a bump. The bump is 0.50 m in height…

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A: It is given that

Q: initial position E W.

A: The solution can be given as follows :-

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Q: A. How fast is she traveling at that instant in time?

A: This problem can be solved using rotational mechanics. Let the weight of the student be M. Let us…

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A: Given: Mass of the object: m = 120 kg Height of the hill: h = 150 m The radius of the circle: R = 20…

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A: Centripetal force =mv2R

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

Q: Data and Results Table 1 Trial 1 2 3 r (m) 0.502 0.591 0.655 No. of rev. 10 10 10 t(s) 5.08 5.21…

A: We know that the expression for the centripetal force is given as Fc=mv2rHere,m is the massv is the…

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A: Given: The speed of train (v) = 10.7 m/s. Initial height of train (h) = 36.7 m.

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A: µ = 0.30radius,r=50 mLet V be the max. velocity of car around the turn

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A: GivenInitial velocity (u) = 140 m/sequation of height h(t) = 140 t - 16t2

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A: The centripetal force due to the circular motion of the ball=mv2rwhere m is the mass of the…

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Q: (c) When the ball is at the top of the swing, what is the direction of the acceleration of the ball?…

A: Required : The direction of the acceleration at the top of the circle.

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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.