1) A 322 lb body moves under the action of a variable force P according to the law P = 12t – 41² where P is in Ib and and t is in sec. If the body starts from rest, determine the velocity and displacement after 8 sec.

Q: istance of 6 meters from rest, the force F is then removed. If F = 800 N, compute the velocity of…

A: let v be the velocity when force F is removed. Normal force on the block  N=1500-Fsin30o…

Q: A box of books weigking 319 N is shoved across the floor by a force of 485 N exerted downward at an…

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Q: Mass m- 14.4 kg is on a horizontal surface. Mass m2 = 6.14 kg hangs freely on a rope which is…

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Q: Only two horizontal forces act on a 3.0 kg body. One force is 90 N due east, and the other is 8N…

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Q: A 2200 kg car, initially travelling at 80.0 km/h West, slams on the brakes and it comes to rest over…

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Q: A 7.5 kg mass is attached to a compressed spring and the spring is released. If the mass initially…

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Q: IV. Two forces are being exerted on an object, but in different directions. Find the magnitude and…

A: Solution 1 :- As first force F = 10 N is along east and second force F' = 4 N is along west. Here F…

Q: Three forces are acting on an object moving with an unchanging velocity v=(i+7j) m/s . Two of the…

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Q: If the acceleration of a 1.0 kg moving particle by a force F is a = 3i +4j m/s^2, the magnitude of…

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Q: A body of mass 9 kg moves along the x-axis under the action of a force given by: F= (-3x) N Find (a)…

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Q: A 50 kg object is acted upon by two forces (in N) F, = - 107 +50 7 and F, = 10 7 +50 7 What is the…

A: Given : m = 50 kg F1 = -10i + 50j F2 = 10i + 50j

Q: Newton's first law of motion states that an object's motion will not change unless* O a force…

A: According to the newton's first law of motion the object remains at rest or keep moving at constant…

Q: a) A 2 kg object is subjected to three forces that give it an acceleration 7…

A: Given: The mass of object is m=2 kg. The acceleration of the object is a→=-8.00 m/s2i^+6.00 m/s2j^.…

Q: Three forces acting on an dbject are given by F=(i-2j) N F,=(-3i+j) N , and F,=4j N . The magnitude…

A: Given data: Three force acting on an object are, F→1=(i^-2j^) NF→2=(-3i^+j^) NF→3=4j^ N Magnitude of…

Q: An elevator shown below filled with passengers has a mass of 1650 kg. The elevator does motions (a)…

A: Given that: Mass of (elevator+person), mE=1650 kg

Q: ) Listen A horizontal force of 73.0 N accelerates a 5.40 kg mass, from rest, at a rate of 1.00 m/s2…

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Q: itself, the 2500-kg pickup truck executes a 0-100 km/h acceleration run in 10 s along a level road.…

A: the 2500-kg pickup truck executes a 0-100 km/h acceleration run in 10 s along a level road. If the…

Q: The 84-lb crate is carefully placed with zero velocity on the incline. What is the acceleration of…

A: Given: Mass of the crate = 84-lb Static friction coefficient μs =0.29 Kinetic friction coefficient…

Q: Kinetic Coeff. Friction = 0.33 Mass m1 = 25.6 kg Mass m2 = 48.5 kg Mass m3 = 144 kg Find the…

A: THE FORCE OF KINETIC FRICTION IS GIVEN AS: Fk= μkN ----(1)WHERE  μk= COEFFICINT OF KINETIC FRICTION…

Q: An object of mass 10 kg is reloased trom rest 4000 m above the ground and alowed to fall undor the…

A: Given Object mass (m)                       = 10 kg Released from x (t)                   = 4000 m…

Q: Let Forces he -Laj FjFa-2i- and Fy 2i are AL2,0), B LO-2) and Find Sum of about o. Fg=-21-4j actim…

A: Given that:F→1=-i^+j^     acting at O (0,0)F→2=j^              acting at A(2,0)F→3=-2i^-4j^…

Q: Only one force acts on an object.Can the object have zeroacceleration? Can it have zero velocity?…

A: If there's one force acting on an object, it will create imbalance in the object and it will lead to…

Q: A stock car accelerated from rest down a track length d=400.0m. In the absence of any friction the…

A: track length (d) = 400 m acceleration (a) = 26 ms2mass (m) = 990 kg fr = 1000 N

Q: 2-96. Four forces are applied at a point in a body as shown in Fig. P2-96. Determine the magnitude…

A: Consider the diagram showing the resolution of F1 as shown below:     Here, α and β are the given…

Q: 8. (Physics) A ball of mass m is tossed upward from a building at height h with initial velocity v.…

A: Given, mx" = -mg x(0) = h x'(0) = v To find: x(t) = (-1/2) gt2 + vt + h

Q: 2-38. Express each of the three forces acting on the support in Cartesian vector form and determine…

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Q: object is acted on by two forces, 10i + 3j and  (with magnitudes in newtons). The object has an…

A: Force is given as F = 10i +3j    Approch ist find the magnitude of force  Then apply newtons 2nd…

Q: In a TV commercial pickup truck B of mass mB lifts large crate A of mass mA toawrd the top of a…

A: Given: In a TV commercial pickup truck B of mass mB lifts large crate A of mass mA toawrd the top of…

Q: 1 kg is released from height h, 1) In Figure, a block with mass m friction until it reaches the path…

A: (A)Till 'A' since there is no friction ,energy will be conserved.initial PE = KE at "A"mhg =…

Q: Rectilinear Motion 2. A 75 kg man stands on a spring scale in an elevator. During the first 3 secs…

A: Given:-  The mass of the man is m = 75 kg  During the first t = 3 sec of the motion from the rest…

Q: A projectile is fired at an angle αwith the horizontal, with initial velocity vo. If it experiences…

A: Given : Initial velocity = v0             Restive force Fr = - k v2

Q: +y For question 14 to 18: A child is on a toboggan (a system of total mass m) accelerates down a…

A: Kinematics.

Q: A 1100-kg car pulls a boat on a trailer. (Enter the magnitudes.) (a) What total force resists the…

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Q: (c) Under what condition(s) can we treat the acceleration due to gravity as a constant? Explain what…

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Q: Recall Newton's Second Law relating the acceleration of an object to its mass: F a m Suppose an…

A: Given that, the mass of the object is m=7kg the initial velocity of the object is…

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: