A car drives at steady speed around a perfectly circulartrack.(a) The car’s acceleration is zero.(b) The net force on the car is zero.(c) Both the acceleration and net force on the car pointoutward.(d) Both the acceleration and net force on the car pointinward.(e) If there is no friction, the acceleration is outward.

Q: Suppose you are standing on a train accelerating at 0.30 gg. What minimum coefficient of static…

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Q: On vacation, your 1400-kg car pulls a 560-kg trailer away froma stoplight with an acceleration of…

A: Part a The net force deployed on the trailer can be determined easily, provided the acceleration of…

Q: A freight train has a mass of 1.5x 10^7kg. If the locomotive can exert a constant pull of 7.5x 10^5N…

A: Mass of the train is m=1.5×107 kg The locomotive can pull with a force, F=7.5×105 N As the the train…

Q: a 15kg box rest on a horizontal surface. (a) what is the minimum horizontal force that is required…

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Q: move a large crate of mass 32.0 kg across a rough floor, with coefficient of kinetic friction…

A: According to Newton's second law F = ma So acceleration a = F/m

Q: Suppose that the net external force (push minus friction) exerted on a lawn mower is 51 N (about 11…

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Q: The coefficient of static friction between hard rubber and normal street pavement is about 0.90. On…

A: Here, the figure shows a car parked on a hill with angle θ steep in a hill and static friction fs…

Q: A stone is thrown straight up. At the top of its path, the net force acting on it is O greater than…

A: When stone is thrown up , only gravitional force is acting on stone.

Q: A 50 kg student enters a 1000 kg elevator at rest. When the elevator begins to move, she has an…

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Q: True or False?  If at a particular moment the instantaneous acceleration of an object is non-zero…

A: Please see the answer below

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

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Q: A 6.00-kg box skids along an inclined plane of 30° as shown in Figure 1. The coefficien of kinetic…

A: Given,The mass of the box, Angle, The friction coefficient, a.

Q: 12. The apparent weight of a passenger in an elevator is greater thanhis true weight. Which one of…

A: In case of motion in accelerating frame, a pseudo force is added to equation of motion to remain…

Q: A 50-N crate sits on a horizontal floor where the coefficient of static friction between the crate…

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Q: Refer to the figure. Let the mass of the block be 8.60 kg and the angle 8 be 38.0°. Find (a) the…

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Q: A 2000 kg car increases its speed from 2 m/s to 8 m/s in 3s on a rough road, while the engine…

A: Given: Mass m = 2000 kg Initial speed u = 2 ms Final speed v = 8 ms Force F = 6940 N Time t = 3 s To…

Q: (1b) A worker grabs a 68 kg crate across a floor by Pulling on a rope inclined 17º above the…

A: Here given a workergrabs a 68 kg crate.The rope inclined 17° above the horizontal. The coefficient…

Q: A car is traveling at 30 mis when the brakes were applied. If the coefficient of kinetic friction…

A: The kinetic energy the car has is converted into work done by friction to stop the car to rest.…

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: when sara is running, the maximum vertical ground reaction force under her foot is 1200 N.  At that…

A:

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

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Q: A 45.0-kg child swings in a swing supported by two chains, each 3.06 m long. The tension in each…

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Q: ckey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2. What angle does the…

A: We know that We have given that The hockey puck slides down a frictionless ramp with an acceleration…

Q: hen the astronaut enters the ISS (International Space Static I," where the only force acting on her…

A: When an astronaut enters the International Space Station (ISS), they experience a state known as…

Q: (a) If half of the weight of a a small 1.80 ✕ 103 kg utility truck is supported by its two drive…

A: Given: μk=0.4 , μs=0.6 The Frictional Force can be calculated as f=μN, where μ is the coefficient of…

Q: In which of the following situations is there zero net force on the body? (i) An airplane flying due…

A: The second law can be mathematically expressed as:where: represents the net force acting on an…

Q: Do it asap if possible

A: Given that,Mass  : m = 81 (kg)A rectangular box with dimension : 24×47×170 cmThe density : ρ = 1.2…

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: A 75.0 kg crate which is initially at rest, is acting

A: Given data:  Mass (m) = 75.0 kg Initial velocity (u) = 0 m/s Force (F) = 250 N Time (t) = 15.0 s…

Q: 2) A wooden block slides directly down an inclined plane, at a constant velocity of 6.0 m/s. What is…

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Q: 1. (a) A 1200 kg car accelerates from 35 m/s to 10 m/s in 5.0 seconds. (i) What is the acceleration…

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Q: The motor winds in the cable with a constant acceleration, such that the 20-kg crate moves a…

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Q: The coefficient of static friction between hard rubber and normal street pavement is about 0.90. On…

A: Given  Coefficient of static friction μs=0.90

Q: The coefficient of static friction between hard rubber and normal street pavement is about  0.89. On…

A: Given that coefficient of static friction between rubber and normal Street pavement is 0.89. Then We…

Q: Two forces and act on a 5.00-kg object. Taking F1 = 20.0 N and F2 = 15.0 N, find the accelerations…

A: Given, Mass of object m = 5 Kg Force F1 = 20 N Force F2 = 15 N

Q: A 40 kg block rests on a horizontal floor. A minimum force of 140 N is required to start it in…

A:

Q: A bunny with a mass of 300g glides with negligible friction down a hill covered with snow. If the…

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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.