F = 10 N ? F. 45° If = 7.5 N 30° F F2=8 N Free-body diagram F. F

Q: A 841.2 kg car initially moving at 17.39 m/s starts to slow down and comes to a complete stop in…

A: Just replace the values and its done

Q: A book is pushed downward with a force of 10N. If the mass of the book is 2 kg the 30N 20N 10N ON

A: Given, Downward force=10 N mass of book =2 kg Let normal force is N newton

Q: As a bullet is fired from the barrel of a gun, it accelerates due to the expanding gases in the…

A:

Q: If the elevator's acceleration had a magnitude of g in the upward direction, what would the normal…

A: mass= m = 4.25kg upward acceleration = a = g Normal force = ?

Q: You create an elevator to get down a cliff.   Your and the bucket’s mass together is 80 kg (m2).…

A: The free-body diagram of the system is shown below. Here, T is the tension and a is the…

Q: object of mass 20 kg is released from rest 4000 m above the ground and allowed to fall under the…

A: Given that: The mass is m=20 kg The height is x(t)=4000 m The proportionality constant is b=40 Ns/m…

Q: Moments after making the dreaded decision to jump out the door of the airplane, a skydiver's 86.4-kg…

A: Given data: Mass (m) = 86.4 kg Force due to air resistance (Fair) = 121 N Acceleration due to…

Q: A vehicle with a mass of 2.40 * 103 kg is driving at a speed of 25.0 m/s. When the driver uses the…

A: mass of vehicle is m = 2.40 x 103 kg speed of vehicle is u = 25.0 m/s final speed of the vehicle is…

Q: What is the expected value of acceleration of a car (in m/s2) on a frictionless track that is…

A: Given:  Inclined angle of track = 5° Let mass of car = m

Q: Inosuke and Zenitsu are astronauts and they were sent to the moon for an expedition. Inosuke applies…

A:

Q: Three forces acting on an object are given by F, = (-1.9î + 5.80j) N, F, = (4.95î - 2.15j) N, and F,…

A: F1→ = (-1.9i^+5.8 j^) F2→ = (4.95i^ - 2.15 j^) F3→ = (-44i^) Acceleration , a = 3.6 m/s2 . To find =…

Q: Zach, whose mass is 80 kg, is in an elevator going up at 6.0 m/s. The elevator takes 2.0 s to stop…

A: Zach is going upward in the elevator, with a constant speed. Eventually the elevator stops at the…

Q: A prototype car  with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it.…

A:

Q: A car of mass 1100 kg that is traveling at 27 m/s starts to slow down and comes to a complete stop…

A: Given? = 1100 ?? (mass of the car)? = 27 ?? (initial speed of the car)? = 578? ( traveled distance)

Q: A 1320 kg car skids to a halt on a wet road where μkinetic = 0.32. How fast (in m/s) was the car…

A: Solution: Given: A car is braked to stop it. You are required to find the initial speed of car. m =…

Q: Consider a snowboarder going up a 5.5° slope. Assume the coefficient of friction for waxed wood on…

A: According to Newton second law  F=ma

Q: A child of mass 22.0 kg runs and slides across the ice in a skating rink.  Initially she is moving…

A:

Q: What is the magnitude

A: 0.346 m/s2

Q: Some rubber bands pulling on an object cause it to accelerate. If 5 rubber bands cause it to…

A:

Q: Moments after making the dreaded decision to jump out the door of the airplane, a skydiver's 83.2-kg…

A: Given data:  Mass (m) = 83.2 kg Air resistance (Fair) = 109 N, vertically upward g = 10 m/s2…

Q: Consider a snow boarder going up a 4.5° slope. Assume the coefficient of friction for waxed wood on…

A: Given that --- slope = 4.5 degree friction constant = 0.10  Question ? Calculate the magnitude of…

Q: Two forces are applied to a 22 kg cart on a frictionless surface as shown. At a certain instant,…

A:

Q: An 71 kg baseball player is running to third base moving at 3.3m / s and then begins to slide. The…

A: Mass of baseball player = 71 kg  Initial Velocity  of baseball player U = 3.3 m /s  Friction force…

Q: A tow rope is used to tow a 1750 kg car; this gives it an acceleration of 1.35 m / s2. What forces…

A: Given data: Mass of car is, m=1750 kg. Acceleration of car is, a=1.35 m/s2.

Q: A 5 kg block is propelled across a horizontal surface with a force of 20 N, opposed by a friction…

A: given data mass M = 5 kg force F = 20 N frictional force f = 10 N acceleration = ?

Q: A flea jumps by exerting a force of 1.17 x 10-5 N straight down on the ground. A breeze blowing on…

A:

Q: A race car of mass 710 kg accelerates 4.8 m / s2. What is the force acting on the car?

A: The force acting on the car can be represented by Newton’s 2nd law as, Here, m and a represent the…

Q: A sled of mass 95 kg is being pushed up a slope with an applied force of 937 N. The slope is…

A: The figure shows the sled mass pushed up a slope.

Q: A 25-kg whippet dog accelerates at a constant 9.1 m/s². What distance (in m) is required for it to…

A: Solution:-

Q: Find the acceleration of the block if its mass is 8.0 kg. Two forces acting on a block on a…

A: Forces, F1 = 10 N ; F2 = 12 NMass, m = 8 kgFrictional coefficient, μ = 0

Q: A 68 kg lady stands on a bathroom scale on elevator. Starting from rest, the elevator accelerates…

A:

Q: A 30.77 kg boy slides down a water slide with a 45° slope. He was pushed by his friend with a 33.11…

A: Given, Mass m = 30.77 kg             Angle θ = 45°            Force F = 33.11 N The acceleration 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!