It has been found that a 1500 kg car can stop in 32 m from a speed of 20 m/s. How much force do the brakes apply?

Q: A 10 kg wagon is pulled with a horizontal force of 10N. If the sidewalk offers 4N of resistance,…

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Q: a 2000-kg car initially at rest is held by a friction force that can resist up to 1200 N. If the…

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Q: If you can push with 300 N of force and the coefficient of friction is 0.5, what is the largest mass…

A: Given Data:- Applied force is F=300 N Coefficient of friction is μ=0.5   Required:- Largest mass…

Q: A 100 kg desk is pushed across a floor at a constant speed of 1m/s. How much the employee do on the…

A: Mass of desk (m) = 100 kg initial constant speed of desk (u) = 1 m/sfinal speed (v) = 4 m/s

Q: How much force does a 15-kg leg exert during running if the person has a 2-m stride and runs at a…

A: Mass of the leg (m) = 15 kg Speed (v) = 8 m/s Energy = 1/2 m v2  .       E = (1/2 )× 15 × (8)2…

Q: A 2,056.6 kg elevator is moving upward at a speed of 7.4 m/s. If it takes the elevator 5.4 s to come…

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Q: A force of 900 N is applied to a 9kg object.  How fast will it accelerate?

A: The given data are: F=900 Nm=9 kg Here, F denotes the force and m denotes the mass.

Q: A 9900 N small car is moved by a 650 N force. If the car starts from the rest, then how fast is it…

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Q: How much force is needed to acceleration a 60kg skier at 2 m/s^2?

A: Mass of body is 60 kg and acceleration is 2 m/s^2.

Q: What is the force on a 1000 kg elevator that is falling freely at 9.8 m/s ?

A: Given data The mass of the elevator is m=1000 kg The accleration during the free fall is a=9.81 m/s2…

Q: A 2.3 kg toy car is accelerated from rest by a net force shown in the graph. The approximate speed…

A: By work energy theroem: Work done by force = gain in kinetic energy of toy car Work done by force =…

Q: How much acceleration is produced by a force of 20 N exerted on an object of 4 Kg mass?

A: The equation for the acceleration produced by a force an object is given by,

Q: On applying retarding force the velocity of a car becomes half after a displacement of 24m. The…

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Q: What is the net force acting on a falling 1-kg ball if it encounters 2 N of air resistance?

A: The given values are,

Q: If a car of mass 785 kilograms accelerates a a rate of 3.25 m/s2, what is the net force on the car?

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Q: When Fatima rides her bicycle at 5 m/s, the drag force acting on her and her bicycle is 6 N. If she…

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Q: A force of 36 Newtons causes an object to accelerate from rest to a speed of 12 m/s in 6.0 seconds.…

A: Given  Force F=36 N Final speed v=12m/s time t=6s

Q: A 976 -kg car experiences a net force of 9,441 N while slowing down from 6 m/s to 11 m/s. How far…

A: Given  Mas of car = 976 kg Force on car F = 9441 N Initial speed of car u= 11 m/s Final speed of car…

Q: a 75 Kg person stands on a scale that reads 500 Newtons, The person is pulling on a rope that is…

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Q: Question 7 A car is coasting to the right but slowing down. ос F A G D E B Question 8 A ball is…

A: A free-body diagram is used to represent the magnitude and direction of forces acting on an object…

Q: If you need to apply a 50 N force to slide a 30 kg object on a table at a constant speed, what is…

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Q: An object with a mass 50kg is acted upon by a force of 200N. The object's acceleration is? a) 0.2…

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Q: If 2500.0 N of force are used to stop a 6.0 x 10^4 kg train traveling 4.50 m/s, how long will it…

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Q: 2,225 kg car moving at 10 m/s on dry pavement, skids to a stop over 110 m. What is the force of…

A: Given: mass of car m=2225Kg initial velocity u= 10m/s final velocity v=0m/s distance travelled s=…

Q: A 16 gram bullet is accelerated from rest to a speed of 543 m/s as it travels 30 cm in a gun barrel.…

A: Formula used

Q: A 50 kN truck travelling with a speed of 50 kph hits a lamp post and is brought to rest in 0.1…

A: The expression for the average force is, Favg=m∆v∆t

Q: The mass of a large car is 1000 kg. How much force would be required to accelerate the car at a rate…

A: Mass = 1000 Kg  Acceleration = 3 m/s2  To find - Force required to accelerate

Q: A person pushes a parked car of mass 400 kg with a force of 2 (2) 200 Newtons until its velocity is…

A: M= 400kg  F= 200N  It is being pushed until it's velocity 5m/s

Q: What net force is required to make a 15 kg box move at a constant speed of 2.0 m/s.

A: Given: Mass, m = 15 kg; constant speed, v = 2.0 m/s

Q: A car with a mass of 1.2 tons generates a force of 2000 Newtons. The time required for the car to…

A: M= 1200kg, F= 2000N , V= 27m/s

Q: How large a force is required to accelerate a 1600 kg car from rest to a speed of 30 m/s in a…

A: Given data:  Mass (m) = 1600 kg Initial velocity (u) = 0 m/s Final velocity (v) = 30 m/s Distance…

Q: Compute for the force on a 975 kg car moving from 12 m/s to 27 m/s in 15 s.

A: Answer  Given  Mass of the car m = 975 kg Final velocity vf = 27 m/s Initial velocity vi = 12 m/s…

Q: Person pushing a parked car of mass 400 2 (2) kg with a force of 200 newtons Its speed is 5 m/s.…

A: M= 400kg  F= 200N

Q: with what force will 1055 kg car that is accelerating at 2.44 m/s/s hit a tree?

A: The mass of the car is m = 1055 kg. The acceleration of the car is a = 2.44 m/s2.

Q: An aircraft catapult launches an F-22 from 0 to 180 mph in a distance 150 m. How many g’s did the…

A: Intital Speed u = 0 m/s Final Speed v = 180 mph = (180 *0.447) = 80.6672 m/s distance (s) = 150 m…

Q: A 1750 kg truck traveling with the velocity of 18 m/s due east collided with a tree. If the force…

A: Mass of the truck,  Initial speed of the truck,  Force exerted on the truck,  Final speed of the…

Q: A force of 8 N acts on a 3-kg object for 15 seconds. What is the change in velocity?  a. 0.025 m/s…

A: Given data:  Force (F) = 8 N Mass (m) = 3 kg Time interval (Δt) = 15 s Required: The change in…

Q: A box with a mass of 10 kg is at rest on a table. The normal force acting on the box is 98 N up 989…

A: Newton's 2nd law is defined as F=ma Here F is the net force, m is mass and a is acceleration.

Q: In a grocery store, you push a 15.4 kg shopping cart horizontally with a force of 13.4 N. If the…

A: Given Mass of cart m = 15.4 kg Force F = 13.4 N We have to find out how far this cart move in 2.50…

Q: A bowling ball weighing 46.5 N initially moves at a speed of 5.10 m/s. How long must a force of 44.5…

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Q: A 1600-kg car accelerates from 8 to 21 m/s over a distance of 55 meters. What was the force that…

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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!