If a 45 kg person is running downhill with an acceleration of 2 m/s2. What is the force acting on them?

Q: What is the acceleration of a 600 kg buffalo if the net force on the buffalo is 1800 N?

A: solution is given as

Q: You push a table across the floor at a constant speed with a pushing force of 400 N.  Is the force…

A: Answer Equal to 400 N

Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…

A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…

Q: When a force equal to its weight is applied to a body free to move, what is its acceleration

A: If force is in upward direction then acceleration is zero . If force is in downward direction then…

Q: Ignoring friction, If an equal force is applied to a 20 kg box and a 2 kg box, the acceleration of…

A: Given that:- An equal force is applied on both box.

Q: What is the acceleration produced by a force of 150 N exerted on an object of mass 24 kg.

A: Given data :                          Force     =     F                          Mass     =     m…

Q: What breaking force is needed to stop a 1200 kg train moving at 25 m/s in a time of 2 seconds?

A: Given data: Mass of the train m =1200kg Speed v= 25 m/s Time t= 2 seconds

Q: What is the acceleration produced by a force of 170 N exerted on an object of mass 8 kg.

A: Given data :                      Mass     =     m                    Force      =       F…

Q: What will be acceleration of a body of mass 5 kg if a force of 200 N is applied to it ?

A:

Q: What acceleration will result when a 80 N force is applied to a 6.4 kg object?

A: We know F=ma   F=force= 80 N m= mass = 6.4 kg a=acceleration

Q: What net force is required to make a 3.0 kg object continue traveling at a constant speed of 2.0…

A: Data given ,  Mass of object (m) = 3 kg Speed = 2 m/s  We know that , Net force ( F ) = ma  Where ,…

Q: Is normal force always equal to weight of an object

A:

Q: A 150-g fish is swimming toward its food with an acceleration of 2 m/s/s. If the amount of friction…

A: Given that Mass m = 150 g Acceleration a = 2 m/s2 Friction force of water is f = 2 N

Q: what is the net force experienced by a 20 N book sitting on a desk with a 30 N object on top of it

A: Newton’s law of motion: For every action there is an equal and opposite reaction.Free body diagram:

Q: To be able to accelerate a 2500 kg truck from 10m/s to 20 m/s in 2.0 s, force should be

A: Mass of the truck m=2500 kg Initial velocity of the truck u=10 m/s Final velocity of the truck v=20…

Q: If a 25 kg bike is pushed from rest with a force of 15 N moving at 12 m/s, how far did it travel?

A:

Q: What force would be needed to produce an acceleration of 1.05 m/s² in a ball of mass 3.00 kg ?

A: Given: The mass of the object is 3 kg. The acceleration of the object is 1.05 m/s2.

Q: How much net force is required to keep a 50 - kg object moving rightward with a constant velocity of…

A: Given that  Mass m = 50kg  V= 5 m/s

Q: If a 870 kg car accelerates at 4.35 m/s2, what is the net force that the car is producing at the…

A:

Q: Two skaters push off each other in the middle of an ice rink. If one skater has a mass of 32 kg and…

A: Given: The mass of the first skater is 32 kg. The acceleration of the first skater is 0.5 m/s2. The…

Q: What net force is needed to accelerate a 20.7 kg object 10.0 m/s2?

A:

Q: The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 is

A: Given Data : The mass of the body is given as m = 100 Kg. The acceleration of the body is given as…

Q: What is the acceleration produced by a force of 250 N exerted on an object of mass 40 kg.

A: Introduction :  In this question we are provided with value of  force and mass . with these data we…

Q: An airplane has a mass of 3.13*10^4 kg and takes off under the influence of a comstant net force of…

A: The pilot is inside the airplane, so the acceleration of the airplane and the pilot must be same.…

Q: A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are…

A: Given: The mass of the ball is 0.6 kg. The applied force is 10.8 N.

Q: A 4500-kg helicopter accelerates upward at 2 m/s?. What lift force is exerted by the air on the…

A: given, Mass of the helicopter, m = 4500 kg. The acceleration of the helicopter, a = 2 m/s2 The force…

Q: How much force would a car’s tires need to provide to accelerate an 1800 kg car at a rate of 4.0…

A: The given values with suitable variables are listed below. Here, m denotes the car’s mass and a…

Q: Calculate the average force that must be exerted on a 0.145 kg baseball in order to give it an…

A: The force on an object is its mass m times its acceleration a.

Q: A force of 30.0N reacted to a body whose weight is 9.00 N. What is its acceleration (m/s^2) * О 37.1…

A: Weight of the boy is (W) = mg = 9.0 N  Force applied (F) = 30.0 N  Let a be the acceleration of the…

Q: What net force is required to make a 3.0 kg object accelerate at 2.0 m/s2?

A: net force F=ma   given, m= 3.0 kg a= 2.0 m/s 2

Q: How long would it take for a net upward force of 100.0 N to increase the velocity of a 50-kg object…

A: Force is mass times acceleration.  Force and mass is given acceleration can be found using Newton's…

Q: The mass of a subway car and passenger is 40,000 kg. If its acceleration as it leaves a station is…

A: Mass M = 40,000 kg Acceleration a = 0.9 m/s2

Q: A motorbike and its rider have a mass of 221 kg.  If they experience an acceleration of 5.7 m/s2,…

A:

Q: you push a 5 kg box across a level floor with a force of 15 N, and there is no friction, how fast…

A:

Q: How much force in pounds is required to steadily lift a 400.0N physics book straight up?

A: Weight of physics book, W=400 N

Q: What will be the acceleration of a 1.5 kg cart if a net force of 45 N is applied to it while at…

A: Given  Mass of cart  M = 1.5 kg Force applied on cart  F = 45 N  To find  Acceleration of cart

Q: if a 1.0-kg box is pulled simultaneously by a 5.0N force and a 2.0 N force, then its acceleration is

A: The given data are: m=1 kgF1=5 NF2=2 N

Q: What is the acceleration of a 20 kg box if you push with a force of 100 N and there are 60 N of…

A:

Q: The net force applied to an object traveling in a straight line at a constant velocity of 2.5 m/s is

A: Given Object moving with constant velocity is v= 2.5 m/s Acceleration of an object is a= 0 Because…

Q: A 1000.0 kg car accelerates uniformly to double its speed from 13.7 m/s in 4.76 s. What net force…

A: Given data: Mass of the car m =1000.0 kg speed, u =13.7 m/s Time t =4.76 s

Q: If an object of mass 0.8 kg has an acceleration of 70 m/s?, what is the unbalanced force acting on…

A: Given data:  Mass (m) = 0.8 kg Acceleration (a) = 70 m/s2 Required: The unbalanced force (F)

Q: What is the acceleration produced by a force of 180 N exerted on an object of mass 24 kg.

A: Given data :                           Mass    =    m                          Force     =     F…

Q: If a pull of 210 N accelerates a 40-kg child on ice skates at a rate of 5 m/s2, what is the…

A:

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

A:

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!