When a bug hits the windshield of a moving car, why does the bug get "squished" while the car suffers no significant damage?  The windshield exerts a force of 1N on the bug and the direction that the car is moving.

Q: A farm tractor tows a 3300-kg trailer up a 14° incline with a steadyspeed of 2.8 m>s. What force…

A: Apply Newton's second law along the incline to find the force exerted by the tractor on the trailer

Q: A 2.0-kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

A:

Q: A freight train has a mass of 1.5x 10^7kg. If the locomotive can exert a constant pull of 7.5x 10^5N…

A: Mass of the train is m=1.5×107 kg The locomotive can pull with a force, F=7.5×105 N As the the train…

Q: By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

A: Given:  v1 = 65 km/h  v2 = 110 km/h

Q: An automobile weighing 1700 kg is driven down a 5° incline at a speed of 90 km/h when the brakes are…

A:

Q: A car moving with a velocity of 20m/s in the north direction, is acted upon by a pair of balanced…

A: According to Newton's First law a body will continue to move with same velocity or remains in rest…

Q: Superman must stop a 120-km/h train in 200 m to keep it from hitting a stalled car on the tracks. If…

A:

Q: A force of 1.150×103 N pushes a man on a bicycle forward. Air resistance pushes against him with a…

A: The force of air resistance acts against the force with which the man pushes the bicycle. The net…

Q: How much force is required to keep a 3-kg object moving to the right with a constant speed of 6.0…

A: Given data: Mass of the object (m) = 3 kg Speed (V) = 3 m/s, constant Force (F) = ?

Q: -kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he…

A: Here, we calculate the given as follow;

Q: A car of mass 975 kg coasts on a level road, starting with an initial speed of 15.0 m/s and coming…

A:

Q: The figure shows an overhead view of a 0.026 kg lemon half and two of the three horizontal forces…

A: Given: Mass of the lemon = 0.026 Kg The magnitude of the force = 3 N The angle of inclination = 310…

Q: Besides its weight, a 2.80-kg object is subjected to one other constant force. The object starts…

A: mass = 2.8Kg weight = - 2.8 * 9.8 j^ N  = -27.44 j^ Ninitial speed = 0 m/st = 1.2 secdisplacement =…

Q: There are nine books in a stack, each with a weight of 5.5 N. The coefficient of friction between…

A: Given that - Weight of each books Coefficient between the table and bottom book.

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105…

A: From Newton’s second law of motion.

Q: A car that weighs 1.30 * 104 N is initially moving at 40 km/h when the brakes are applied and the…

A: Since there are multiple sub parts posted, we will answer the first three sub parts. a) The equation…

Q: A person lowers a 40-kg barbell to the ground at a constant velocity at the gym. Which of the…

A: Given data:  Mass of barbell (m) = 40 kg Velocity of barbell is constant

Q: If a horizontal force is applied to an object, how can you tell if an object will start moving?

A: Static friction comes into act when a force is applied on the body and it tries to move the body.…

Q: A 40-N crate rests on a rough horizontal floor. A 12-N horizontal force is then applied to it. If…

A: Given data:  Weight of crate (W) = 40 N Force applied (F) = 12 N Coefficient of static friction (μs…

Q: What is always true about the direction of a retarding force (such as friction or drag) compared to…

A: Given:                 Force is retarding force.

Q: A warehouse worker exerts a constant horizontal force of magnitude 89.0 N on a 42.0 kg box that is…

A: Given Horizontal force is F=89.0 N Mass of box is m=42.0 kg Distance travelled is d=1.80 m Initial…

Q: Object's mass is 15 kg is resting on a table. An external force ( 1O N) act with angle ( 30) on this…

A:

Q: A bicyclist of mass 65.0 kg (including the bicycle) can coast down a 6.0 degree hill at a steady…

A:

Q: A horizontal force of 12 N pushes a 0.50-kg book against a vertical wall. The book is initially at…

A:

Q: A cart for hauling ore out of a gold mine has a mass of 431 kg, including its load. The cart runs…

A: Given,mass of the cart, m = 431 kgangle, θ= 4.67°force by donkey, F = 434 Ndistance, d = 155 mφ =…

Q: When a 25-kg crate is pushed across a frictionless horizontal floor with a force of 200 N, directed…

A: Solution:

Q: Two blocks of m-1kg and M32kg are pushed along a horizontal frictionless surface by a constant…

A: Given Data : The Mass of block 1 is given as M = 2Kg. The mass of block 2 is given as m = 1Kg. The…

Q: When landing from a jump, Andy applied an average vertical force of -2500 N to the ground in order…

A: Given: Average vertical force, F=-2500 N Weight, W=-760 N Mass, m=77.5 kg Formula: Newton's Second…

Q: Listen When a 54.0-kg crate is pushed across a frictionless horizontal floor with a force of 240.0…

A:

Q: A cart for hauling ore out of a gold mine has a mass of 431 kg, including its load. The cart runs…

A: It is given that, m=431 kgθ1=4.85oF=445 Ns=185 mθ2=14.9oμ=0.0173g=9.81 m/s2

Q: A pack of four velociraptors have caught a human running through their jungle. Each raptor grabs one…

A:

Q: A block of mass mj sits on a block of mass m2, which rests on a smooth table, Fig. If the…

A: Given data: Mass of block 1 is, m1=1 kg. Mass of block 2 is, m2=3 kg. Coefficient of friction…

Q: A person is pushing a wooden crate of mass mo = 20 kg at a constant speed v = 1.2– for Ax = 3 m…

A: mo = 20 kg vo = 1.2 m/s ∆x = 3 m μk = 0.4

Q: A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 7.5 × 105…

A:

Q: A dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal…

A: Given : F = 80 N vo = 0 (because block starts from rest) x = 20 m t = 9 s

Q: A 10-kg mass slides down a flat hill that makes an angle of 20° with the horizontal. If friction is…

A:

Q: Listen When a 17.0-kg crate is pushed across a frictionless horizontal floor with a force of 270.0…

A:

Q: Suppose that Zak's younger cousin, Greta, sees him sliding across the hall and takes off her shoes…

A: From Newton's law Fnet=Fapp-Ffricma=Fapp-μkmga=Fapp-μkmgm  =125 N-0.250×20.0 kg×9.81 ms220.0 kg…

Q: 4.9 · A box rests on a frozen pond, which serves as a friction- less horizontal surface. If a…

A: According to the Newton’s second law of motion, the equation can be written as F=mam=Fa…

Q: A girl is sledding down a slope that is inclined at 30.0° with respect to the horizontal. The wind…

A: Given data: Steady force, F=105 N Mass of the girl and sled, m=65 kg Coefficient of kinetics…

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.4 ✕ 105…

A: Given information:Mass of the train (m) = 1.1 × 107 KgForce the locomotive can exert (F) = 7.4 × 105…

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 bicyclist and his bicycle have a mass of 105 kg. What forces is necessary to bring him to rest…

A: Data given:Mass of the bicyclist, m = 105 kgInitial velocity, u =  25 m/sec.Final velocity, v = 0…

Q: A bicyclist can coast down a 6.17 degree hill at a constant speed of 6.64 km/h. If the force of air…

A: hill angle = 6.17 ° speed = 6.64 km/h mass = 77.8 kg

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: