When a 25-kg crate is pushed across a frictionless horizontal floor with a force of 200 N, directed 30° below the horizontal, the magnitude of the nomal force of the floor on the crate is: 25N O 150N O 423N O250N 350N

Q: "A worker drags a crate across a factory floor by pulling on a rope tied to the crate. The worker…

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Q: A green block with a mass of 3.2 kg moves along a horizontal table. A force of 19 N at an angle of…

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Q: The figure shows a block on a table-top being pushed upon by a force of magnitude, F, on a…

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Q: You want to push a 7-kg box up a 15° ramp. The coefficient of kinetic friction between the ramp and…

A: The friction force is given by  f = μ N where, N is the normal force, μ is the coefficient of…

Q: Two blocks (A) and (B) of respective masses ma = 2 kg and mg = 3 kg, are placed in contact side by…

A: Answer:-  12 N  Given  Mass of block A (mA) = 2 kg  Mass of block B(mB) = 3 kg  Force (F) = 20 N…

Q: Suppose an object is placed on a ramp at an angle from the horizontal. The direction of the NORMAL…

A: An object is placed at some angle from the horizontal.

Q: A trunk with a weight of 250N is at rest on a floor. The coefficients of friction between the trunk…

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Q: You, of mass m, are in an elevator that is accelerating upwards at acceleration a. What is the…

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Q: A person pushes a 0.20 kg lunch tray across a table, and it slows down as it slides because of…

A: Mass of lunch tray = 0.2 kg  Coefficient of static friction = 0.15  Coefficient of kinetic friction…

Q: 5. A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t2 -1 and y =…

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Q: You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is…

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Q: A car (m= 1900 kg) is parked on a road that rises 12° above the horizontal. What are the magnitudes…

A: Given value--- Mass = 1900 kg. Angle = 12 degree We have to find--- Normal force? Static friction…

Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 66.9 kg skier is pulled up…

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Q: Torce constant 1.00 × 10˚ N/m is free to move on a frictionless horizontal surface. If the object is…

A: Step 1: for x= 0.1 mF= -100*0.1= -10 N, a= F/m = -10 m/s2 Step 2: for x= 0.05 mF= -100*0.05= -5 N,…

Q: The coefficient of friction between a 33kg exercise mat and the gym floor are us = 0.41 and uk =…

A: Givenμs =0.41μk =0.36m =33 kg

Q: A 30Kg block is pushed at a constant velocity up a ramp inclined 25° above the horizontal. It is…

A: for equilibrium ∑Fx=0∑Fy=0

Q: Holding onto a tow rope moving parallel to a frictionless ski slope, a 64.2 kg skier is pulled up…

A: Analyze the free body diagram of the system. Note: Consider the upward direction normal to the…

Q: a 10kg crate is being pulled with a force of 4ON at an angle 30degrees. With the normal force you…

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Q: Problem 10: A horizontal force of magnitude F = 56.6 N pushes on a block of mass m= 5.89 kg. The…

A: Given Data : The mass of the block is given as m = 6.89 Kg. The force acting on the block is given…

Q: A student applies a constant force of 200 N directed 30 degrees above the horizontal and thereby…

A: Given Information:- Applied force is F=200 N Angle between the force and the horizontal θ=30° Weight…

Q: Lauren pulls her 18 kg suitcase at a constant speed by pulling on a handle that makes an angle of θ…

A: Given, Mass, m=18 kg frictional force, fk =27N Applied force, F=43 N As of suitcase is moving with…

Q: A 5kg trolley is pushed along a horizontal surface with a orce 45° to the horizontal. The trolley…

A: mass of the trolley is 5 kgfriction force=60N

Q: A cooler (mass 3 kg) is initially at rest on a horizontal floor. It is then pushed in a straight…

A: The initial speed, u=0 The mass of the cooler is m = 3 kg The displacement of the cooler is s = 1.5…

Q: iii. Figure 1 shows a ball being pulled by two Forces, F1 and F2, on a horizontal plane. F1, with a…

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Q: A 25-N crate is held at rest on a frictionless incline by a force that is parallel to the incline.…

A: weight of the crate w=25NAngle of inclination , θ =25°Let F be the force that is applied parallel…

Q: You apply a constant force F = (–68.0 N)i + (36.0 N) to a 400 kg car as the car travels 55.0 m in a…

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Q: A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal…

A: According to the given data F=70 N S=10.5m t=4.80 sec. We need to find What is the mass of the…

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

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Q: A 200 kg crate rests on a floor with carpet. A tired worker pushes with a horizontal force of 600 N…

A: Given: The mass of the crate is, M=200 kg The worker pushes with a horizontal force, F=600 NF = 600…

Q: A student applies a 100 N force at an angle 30° below the horizontal to a block causing the block to…

A: Given data:  Applied force (F) = 100 N Angle (θ) = 30° below the horizontal Speed is constant…

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

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Q: A 3.0 kg object is moving to the right at a constant speed of 2.0 m/s. What is the net force on it?…

A: Given data The mass of the object is m = 3 kg. The object is moving with constant speed is v = 2…

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: An object is moving to the west at a constant speed. Three forces are exerted on the object. One…

A: The force acting on the object in the north direction is F1 = 10 N. The force acting on the object…

Q: Problem 1: Consider a 72 kg high-jumper. Calculate the magnitude of the force, in newtons, the…

A: Given,mass = 72 kgNet upward acc = 4gwhere g = acceleration due to gravity                 = 9.8…

Q: While loading furniture into a truck, you push a 1.56 kg chair up a 14.7 degree ramp, with a…

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Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given: Mass of the Cart= 22 kg            Coefficient of friction between floor and wheels is 0.22…

Q: A3 kg particle moves along an x axis, being propelled by a variable force directed along that axis.…

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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: