A coin placed 31.0 cm from the center of a rotating, horizontal turntable slips when its speed is 51.8 cm/s. (a) What force causes the centripetal acceleration when the coin is stationary relative to the turntable? O static friction O inertia O kinetic friction O centrifugal force (b) What is the coefficient of static friction between coin and turntable?

Q: A Smart Fortwo® car has a mass of 730 kgon a flat surface (the mass is evenly  distributed over its…

A: Mass of the car (m) = 730 kg Coefficient of static friction(μs) = 0.85

Q: (a) If half of the weight of a flatbed truck is supported by its two drive wheels, what is the…

A:

Q: (a) An elevator of mass m moving upward has twoforces acting on it: the upward force of tension in…

A: a)Write the expression or tension,

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A:

Q: When an object falls freely under the influence of gravitythere is a net force mg exerted on it by…

A:

Q: (a) If half of the weight of a flatbed truck is supported by its two drive wheels, what is the…

A:

Q: (a) If half of the weight of a flatbed truck is supported by its two drive wheels, what is the…

A:

Q: A mover needs to push a couch up an inclined ramp that makes 21o with the horizontal. If the couch…

A: Given Data: The mass of couch is, m=70 kg The coefficient of kinetic friction is, µ=0.22 The angle…

Q: Consider a 25-kg block sliding down a rough plane inclined at 30º. The coefficient of kinetic…

A:

Q: (a) If the horizontal acceleration produced briefly by an earthquake is a, and if an object is going…

A: a) The expression for force of static friction is, Expression for force is, Therefore,

Q: 10.0 kg mass rests on an incline that is 30 m long and 15 m high. The coefficient of friction…

A:

Q: (a) If half of the weight of a flatbed truck is supported by its two drive wheels, what is the…

A:

Q: The tension on the heavier mass is less than its weight. O True O False

A: First we need to know the tension in the rope. In a rope around a pulley, the tension is equal…

Q: The parachute on a race car of weight 8 820 N opens at theend of a quarter-mile run when the car is…

A: Given:Weight of the race car of the parachute = 8820 NInitial velocity = 35 m/sFinal velocity = 0…

Q: Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the…

A: Mass of baby,

Q: A car is travelling at 50.0 km/h on a flat highway. (a) If the coefficient of frictin between road…

A: Given :  vo = 50.0 km/h = 50.0(1000/3600) = 13.9 m/s v = 0 m/s (because finally the car stops)

Q: A coin placed 30.4 cm from the center of a rotating, horizontal turntable slips when its speed is…

A: Given, Coin placed 30.4cm from center of a rotating table . Coin slips when speed of rotating table…

Q: Do you think that a friction of a system is primarily due to bearing or to air resistance? Justify…

A: Frictional force is a kind of opposing force exerted by the surface which is in contact with the…

Q: The figure below shows a Ferris wheel that rotates five times each minute. It carries each car…

A: Centripetal Force acts towards the centre

Q: Using the strap at an angle of 31 o above the horizontal, a Grade 12 Physics student, tired from…

A: GivenMass of bagm=15 kg

Q: never

A: Given: Let the coefficient of static friction between the floor of the truck and box is μs. The…

Q: Find the maximum speed at which a 1000 kg-car can take a curve with a 25 m radius wihout slipping if…

A:

Q: How would I go about this

A: Step 1: Step 2: Step 3: Step 4:

Q: A father pushes his newborn baby in a running stroller with a force of 300 N. The handle is inclined…

A: Consider the free body diagram of the stroller with a baby.   Let the force applied by the father…

Q: Find the force (F) to move the box given that the coefficient of static friction is 0.2

A: The free-body diagram of the block is shown below.

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.