A runner with a mass of 77 kg accelerates from 0 to 7 m/s in 6 s. Find the net force on the runner using the alternate form of newtons second law.

Q: The total force on an object is ( 20 ı ^ + 40 ȷ ^ ) Newtons.  Its acceleration is ( 4 ı ^ + 8 ȷ ^ )…

A: The magnitude of the total force is: The magnitude of the acceleration of the object is:

Q: A 4.00-kg object undergoes an acceleration given by a = (8.00 î + 4.0o j) m/s. (a) Find the…

A:

Q: If the action and reaction forces are always equal in magnitude and opposite in direction to each…

A: Newton's third law of motion states that forces always exist in action and reaction pairs. According…

Q: If two forces of 20 N towards north and 12 N towards south are acting on an object. The resultant…

A:

Q: Give the magnitude and direction of the net force acting on a) a drop of rain falling down with a…

A: Here given a drop of rain falling with a constant speed . We have to find the magnitude and…

Q: force experienced by a particle of mass m

A: Given; Two thin concentric shells of masses M and 2M Radii R1 and R2(R1<R2)M placed at a distance…

Q: Calculate the acceleration produced by a force of 200 N exerted on an object of mass 20 kg.

A: Given data,      Mass   =   m      Force   =   F       Required,         Acceleration

Q: The applied force P is equal to 160N and the mass of the box is equal to 20 kg. Determine the…

A: Given:- The applied force P = 160 N  The mass of the box m= 20 kg  The coefficient of the kinetic…

Q: A rider in a "barrel of fun" finds herself stuck with her back to the wall. Which diagram correctly…

A:

Q: Find the resulting acceleration from a 300 N force that acts on an object with a mass of 3,000 kg

A: The displacement of an object is defined as the difference in the final and initial position of an…

Q: Does it matter which force we call the action and which force we call the reaction?…

A: According to Newton's third law of motion, Whenever two bodies interact with each other, the force…

Q: A force of 100 N to the east and a force or 40 N to the west both act on an object of 10 kg. What is…

A: Given data The force applied on the object from the east direction is Fr = 100 N. The force applied…

Q: Calculate the force acting on a particle. Mass 100 kg moving in straight line

A:

Q: Find the mass of a crate that is pushed with a force of 1500 N causing to accelerate at 0.80 m/s…

A: Solution: Consider the free-body diagram of the system as shown below:…

Q: A body of mass 2 slugs is acted on by the downward force of gravity and a horizontal force of 130…

A: Let the body’s mass is denoted by m and the horizontal force is denoted by F. Evaluate the…

Q: A truck of mass 7 tonnes was moving with a velocity of 110 km/hr. The brakes were applied to bring…

A: The velocity of an object is defined as the rate of change of displacement with respect to time…

Q: Find the acceleration (in m/s2) produced in a body of mass 4 kg when a force of 24 N is applied on…

A: According to the Newton's second law  Net force = mass x acceleration

Q: A crate of mass 50 kg slides on a horizontal floor under the action of an applied horizontal force…

A: Mass of crate: m = 50 kg Horizontal force: F = 200 N Frictional force: f = 120 N

Q: Which of the following is an example for contact force?

A:

Q: and Parallel Forces

A:

Q: Two equal sized objects are subjected to different force. Write down where acceleration is high?…

A: Let us consider two bodies A & B have the same size respectively. Size is a property of a body…

Q: Find the acceleration of the cart that is required to prevent the block with mass m = 0.5 kg from…

A:

Q: In the third Law of motion, the two forces being mention are acting on the same object. TRUE or…

A: In the third law of motion, the two forces are called action and reaction.

Q: find the resulting accerleration from a 386 N force that acts on an object with a mass of 2900 kg.

A:

Q: 2.2. A metal ball of mass 10 g falls in oil with an acceleration of 3.0 m/s at one instant.…

A: Given: Mass: m=10[g]=0.01[kg] Acceleration:a= 3[m/s2] When a solid object  moves through a fluid…

Q: Determine the applied force required to accelerate a 3.25-kg object rightward with a constant…

A: Given data The mass is m= 3.25 kg The acceleration is a= 1.20 m/s2 The friction is f=18.2 N The…

Q: pulls a cart along a flat road. Consider the following four forces that arise i prce of the horse…

A: Newtons third law : for every action there is equal and opposite reaction. here action and reaction…

Q: How much force must be applied by a kicker to give a stationary 2.5 kg ball an accerlation of 40…

A: mass of ball (m) = 2.5 kg Acceleration (a) of the ball = 40 ms2

Q: If the net force acting on an object is zero, then which of the following is zero: velocity all of…

A:

Q: Two people are pushing a stalled car; the mass of the car is 1850 kg. one person applies a force of…

A: Given  mass of car(m)=1850 kg force applied by one person (F1)=275 N force applied by another person…

Q: Object 1 has a mass = 9000 kg. Object 2 has a mass = 8000 kg. If the m1m2gravitational force between…

A: The gravitational force between the masses are given by F=Gm1m2d2

Q: A 75 kg person rides an elevator accelerating downward at 2.5 meters/seconds squared.  Find the…

A:

Q: Determine the net force and acceleration.

A: Mass of the box = M = 100 kg Angle of the inclination = Coefficient of friction = The free body…

Q: If the acceleration of an object is zero, are no forces acting on it? Explain in words

A: Given , Acceleration of an object is zero.   We want to discuss about forces acting on it.

Q: Can we conclude from the third law of motion that a single force cannot act on a body?

A: Introduction: The language of nature can be understood with the help of nature's law. Physics is the…

Q: force to accelerate the object of 30 kg with the

A: We know that   newton's second law of motion is given as  F = ma  where m is the mass of the object.…

Q: The car in the previous question has an acceleration of 5.7 m/s2 up the hill and mass of 737 kg.…

A: We know that net force acting is given by  Fnet=ma Where m is mass and a is acceleration .

Q: In the absence of a net force, an object can be

A: When the net force on an object is zero, it does not mean that there is no external acting on the…

Q: According to Newton's ____ law, an object with no net force acting on it remains at rest or in…

A: Correct option is :  Option (d) - first

Q: A runner with a mass of 78 kg accelerates from 0 to 7 m/s in 9 s. Find the net force on the runner…

A: Given, a runner with a mass m=78 kg accelerates from u=0 to v=7 m/s in Δt=9 s. Find the net force F…

Q: When an object pushes water, the water pushes back with as much force as it can. (True or False)

A: This statement is False. Because, when the density of the object is smaller as compared to the…

Q: t of mass 40 kg accelerate with the acceleration of 5 m/s^2. Find the net fo

A: We know that the newton's second law of motion is given as  Fnet= ma  where m is the mass of the…

Q: A block that has a mass of l12 kg is to be pulled up a 15° ramp by James. If the coefficient of…

A:

Q: Find the mass and weight of a body if a net force of 400 N causes decrease in its velocity by 4.0…

A: In this question we have been given that Change in Velocity dv = 4 m/s Change in time (dt) = 3…

Q: A car of mass 230 kg moving at a speed of 30 km/hr is stopped by applying brake in 15 sec. Calculate…

A: The car is stopped in 15 sec. It means the final velocity of the car is zero. Therefore, applied…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: