100 km/h 50 kg

Q: A car is traveling at 41.0 km/h on a flat highway. (a) If the coefficient of friction between road…

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Q: The citizen's car is a 1700-kg Mercedes-Benz 300SL. The citizen manages to park his car next to the…

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Q: A person moves a 85 kg object by applying a force F = 310 N at an angle of 30° above the horizontal.…

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Q: A 2.0-kg block is at rest on ramp which makes 20° with the horizontal.   (a) What is the force of…

A: Given - mass of block , m = 2.0 kg angle of inclination of ramp, θ = 20o acceleration due to…

Q: Tim pushes a 195kg lawnmower with a force of 850N at an angle of 35 degrees with respect to the…

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Q: A box is sliding along a slippery, horizontal floor at a constant speed of 3.0 m/s. It encounters a…

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Q: of mass 875 kg applies the brakes, which lock the wheels. The car skids for 5.60 s in the positive…

A: Acceleration is the rate of change of the velocity of an object with respect to time.  Here, we…

Q: You need to push the couch 4 m to the other side of the room.  After the initial push to get it…

A: The coefficient of kinetic friction between the couch and the floor μk=0.6  The mass of the couch…

Q: Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the…

A: The force of static friction can be given by FS=μsN=μsmg Also, FS=-ma Comparing the equations give…

Q: A man pushes a box that is on a ramp. The box has a mass of 4 kg and the ramp is at 30° compared to…

A: Newton's Second Law of Motion According to Newton's Second Law of motion, the rate of change of…

Q: A suitcase lies on a horizontal shelf in a train that slows down and its speed decreases steadily…

A: According to the Newton’s second law of motion, the net force acting on an object at equilibrium is…

Q: A car is traveling at 30 mis when the brakes were applied. If the coefficient of kinetic friction…

A: The kinetic energy the car has is converted into work done by friction to stop the car to rest.…

Q: À flatbed truck is supported by its four drive wheels, and is moving with an acceleration of 8.0…

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Q: A 6.51 kg mass is released from rest while on and incline of 52.19 degrees. If the coefficient of…

A: It is given that,

Q: A 2.50 kg mass is released from rest while on an incline of 56 degrees. If the coefficient if…

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Q: A 25 kg box sits on an incline plane with angle of 31^o. The coefficient of sliding friction between…

A: To find the kinetic friction experienced by the box during sliding, we can use the equation for…

Q: (b) The coefficient of kinetic friction between a 40 kg crate and the ware- house floor is 70% of…

A: Given:mass of crate, m = 40 kgco-efficient of kinetic friction be μk co-efficient of static friction…

Q: A 2.50 kg mass is released from rest while on and incline of 54.7 degrees. If the coefficient of…

A: Given :    mass of the object, m = 2.50 kg    Inclination angle, θ = 54.70    coefficient of kinetic…

Q: Two blocks are positioned on surfaces, each incline at the same angle of 59.8° with respect to the…

A: Although the figure of the question is missing  But since all the data given for both the blocks is…

Q: 78 kg crate rests on a rough horizontal surface. The coefficient of static friction and coefficient…

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Q: A force of 1.2 N is applied to an object of mass 1.5 kg to just make it move. Determine the…

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Q: A 20-kg box that lies on top of a table is pulled horizontally by a force of 500 N. Find the…

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Q: A crate of mass m falls off a truck and initially travels at a speed vo​after it hits the ground.…

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Q: A hockey puck on a frozen pond is given an initial speed of 20 m/s. If the puck always remains on…

A: Using kinematics equation, v2=u2+2asa=v2-u22s Use the given values, a=0-20 m/s22115 m=-1.74 m/s2

Q: The coefficient of friction in the longitudinal direction of a highway is estimated as 0.396. Find…

A: Braking distance = 42m

Q: The coefficient of static friction between the floor of a truck and a box resting on it is 0.30. The…

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Q: A person is skiing in a horizontal snow surface with a net acceleration of 0.2 meters per second per…

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Q: An elevator cab is moving downward by a cable. The total mass of the cab is 1950 kg. Find the…

A: Cab is moving with constant speed so the acceleration of the car is zero so according to Newton's…

Q: A 40 kg block rests on a horizontal floor. A minimum force of 140 N is required to start it in…

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Q: Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the…

A: The objective of this question is to calculate the minimum stopping distance for the truck for which…

Q: You are traveling in your car at a speed of 86.0 km/h when you slam on your brakes. The coefficient…

A: Required distance travelled before stopping of the car.

Q: A box rests on the (horizontal) back of a truck. The coefficient of static friction between the box…

A: The truck's maximum travel distance in 3.0 seconds without the box sliding must be ascertained.

Q: A 200-lb block is initially at rest on a flat surface that is inclined a 30°. If the coefficient of…

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Q: you are standing on a train which begins to accelerate away at 4.50 m/s. If you have a mass of 70…

A: acceleration (a) = 4.50 ms2mass = 70 kg

Q: An object of mass 50kg is pushed in the +x direction with a force of 40N flat along a horizontal…

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Q: 100 N %3D 1 60° 30°

A: Component of a vector along x axis = A cos θ Component of a vector alone y axis =A sinθ

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: