The harder you hit the brakes while driving forward, the more the front end of your car will move down (and the rear end move up). Why? What happens when cars accelerate forward? Why do drag racers not use front-wheel drive only?

Q: Suppose you tie a rock to the end of a 1-meter-long string and spin it in a vertical circle. What is…

A:

Q: 8. At what angle should a curve of radius 250 m be banked, so cars can travel safely at 30 m/s…

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Q: he axles and wheel bearings of the car to be  ?=0.015μ=0.015 .  If the car let's off the…

A: Given:-  It takes the car 800 meters to roll to a stop (without using the breaks), The coefficient…

Q: A woman is riding a Jet Ski at a speed of 27 m/s and notices a seawall straight ahead. The farthest…

A: Acceleration for a body…

Q: Curves on some test tracks and race courses, such as the Daytona International Speedway in Florida,…

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Q: 1. While driving fast around a sharp right turn, you find o yourself pressing against the car door.…

A: When a car turns right we will be pushed in the outward direction. This is due to the centrifugal…

Q: A scientist claims that people who compete in the Olympic event of skeleton are insane. With their…

A: Speed of runner in Olympic : v = 75 mph = 753600 = 0.0208 m/s Radius of Olympic track: r = 50 m Mass…

Q: If you wish to reduce the stress (which is related to centripetal force) on high-speed tires, would…

A:

Q: Under what conditions could a fast moving car remain on a banked track covered with slippery ice?

A: The horizontal component of the normal reaction on the car provides a centripetal force to turn the…

Q: Why Don’t All Objects Roll Downhill at the Same Rate?

A: Whenever an object is on an inclined plane, and rolling downhill, it has a potential energy which is…

Q: TheHarrier Jet is a fixed wing jet designed for vertical takeoff and landing. It is capable of…

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Q: need help

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Q: Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning…

A: Given : ω = 3 revolutions per second = 3(2π) = 6π rad/s r = 7 cm = 0.07 m

Q: Explain, from a force standpoint, why you need to reduce your normal driving speed around curves…

A: In order to safely negotiate a curve at a given velocity, frictional forces between the tires and…

Q: Car A is making a tighter turn with a smaller turning radius than Car B. There Car A has a…

A: Given data:

Q: For an object spinning around a central point, what will happen if its distance from the center is…

A: The given problem is based on rotational motion.

Q: (1) car's engine is not strong enough to keep the car from being pushed out (2) friction between…

A: we know, for an object to move in a circular motion, there must be a centripetal force always acting…

Q: A woman is riding a Jet Ski at a speed of 26 m/s and notices a seawall straight ahead. The farthest…

A: Given:Velocity of the woman riding a jet ski = 26 m/sBanked angle = 22ο

Q: Playground swings move through an arc of a circle. When you are on a swing, and at the lowest point…

A:

Q: 2. A sports car of mass 1015kg (including driver) crosses a rounded top of a hill of radius 92m at…

A: The mass=1015kg  The radius =92m

Q: 34 - A metallic ball is tied to the end of a 4 m long rope and V = 20m / s is rotated. Since the…

A:

Q: 11. You are riding a 1500-kg car. The car makes a left turn in a corner with a 50 m radius. If the…

A: Given: The mass of the car is 1500 kg. The radius of the turn is 50 m. Introduction: When a car…

Q: On which of these hills does the ball roll down with increasing speed and decreasing acceleration…

A: The slope of speed vs time graph gives the acceleration. If the slope increases, the acceleration…

Q: | Pilots of high-performance fighter planes can be subjected I to large centripetal accelerations…

A: Given: The magnitude of the pilot's weight = W Speed of the plane = 230 m/s The radius of the…

Q: Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning…

A: frequency, f = 3 rps  radius, r = 7 cm

Q: Will the acceleration of a truck be the same when it travels around a sharp curve at a constant…

A:

Q: A 0.8-kg ball is attached to a 1.0-m rope and whirled in a vertical circle. The rope will break when…

A:

Q: 6. A 1200 kg car rounds a curve of radius 66 m banked at an angle of 14°. What is the magnitude of…

A: The free body diagram of situation is,

Q: 7. A space station, in the form of a wheel 120 m in diameter, rotates to provide an “artificial…

A:

Q: A circular loop or a bicycle cannot remain stable in vertical position, when at rest. However when…

A: Because, when the bicycle is moving, all the rider needs to do in order to restore balance is to…

Q: An 800-N passenger in a car presses against the car door with a 200 N force when the car makes a…

A:

Q: You are driving your car through a roundabout that has a radius of 10 mm. Your physics textbook is…

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Q: What is the maximum speed with which a 1050 kg car can round a turn of radius 77m on a flat road if…

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Q: Two masses (1,2) move on two different circular paths, so if the mass m1 moves at a velocity of…

A: This is a problem of uniform circular motion

Q: If you wish to reduce the stress (which is related to centripetal force) on high-speed tires, would…

A: The centripetal force which is directly related to stress can be given as, Here r is the radius of…

Q: As we saw in the chapter, wings on race cars push them into the track. The increased normal force…

A:

Q: A 20 kg child sitting a distance of 5.0 m from the centre of a Merry go round experiences an…

A: The given values are, m=20 kgr=5.0 ma=0.15 m/s2

Q: The cream shift in a race car goes from rust to 300 RPM and 2.0 seconds. How many revolutions…

A:

Q: 77. A car rounds an unbanked curve of radius 65 m. If the coefficient of static friction between the…

A:

Q: Astronauts in the International Space Station must work out every day to counteract the effects of…

A:

Q: You can play catch with a softball in a bus moving with constant speed on a straight road, just as…

A: Answer: When the bus is moving with a uniform speed on a level road without taking any turn, then…

Q: While driving fast around a sharp right turn, you findyourself pressing against the car door. What…

A: A car taking a sharp turn

Q: 10. What is coefficient of friction between the road and a car required for a car to safely make a…

A: According to Newton's second law of motion, the net force acting on an object is the product of the…

Q: The Cajun Cliffhanger at Great America is a ride in which occupants line the perimeter of a cylinder…

A: Centripetal force keeps the object in a circular path. The centripetal force is given as From the…

Q: 6 What velocity is needed for your car to negotiate a 100-meter radius curve banked at a 20.0°…

A: Velocity is given by,

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!