If a box with mass of 50 kg is moving on a rough surface with kinetic friction coefficient of 0.7, how much force is needed to keep the box moving? Group of answer choices   343 N   35 N   490 N   6.7 N

Q: A crate of mass m is connected to a cable and rests on a frictionless inclined plane. The plane…

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Q: The two masses in the figure are released from rest. After the 5.0 kg mass has fallen 1.5 m, it is…

A: According to the kinematics equation, find the acceleration. Substitute the values,

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: Given- Mass of car , m = 1500 kg Initial speed  of car, u = 15 m/s Final speed of car , v = 0 m/s…

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: The 42-kg crate is stationary when the force Pis applied. Determine the resulting acceleration of…

A: Given data: The mass of crate is m=42 kg. The angle of ramp is θ=17°. The coefficient of static and…

Q: A box with with a mass m = 2kg is being pushed up a ramp by an unknown pushing force Fp. The…

A: The free-body diagram is , Given, m=2kg' The velocity is constant so, the acceleration is constant…

Q: n object with a weight of 100 N is at rest on a horizontal surface. The static coefficient of…

A: Given:   The weight of the object is 100 N. The applied force is 65 N. The coefficient of static…

Q: In the figure, two blocks are connected over a pulley. The mass of block A is 10.0 kg and the…

A: Given: The mass of the block A is 10 kg. The coefficient of the kinetic friction is 0.24. The angle…

Q: slides? 1. 4.68 m/s^2 2 1.23 m/s^2 3 6.08 m/s^2 4 1.76 m/s^2

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Q: You are pushing a 42.0kg box horizontally along a flat horizontal surface at a constant speed of…

A: We use use the concept of Newton's second law of motion

Q: A worker with mass m = 70 kg is trying to stretch his muscles with the help of a vertical wall.…

A: Given,  Mass, m = 70 Kg Force exerted by each hand on the wall is F = 70 N Total force exerted on…

Q: moving.What is the coefficient of static friction between the shoe and the surface material? What is…

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Q: The figure shows a 1.0 kg block being pulled to the right by a 7.0 N force. The block is not moving.…

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Q: A horizontal force of 18 N is applied to a 4 kg object standing on the horizontal surface. Since the…

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Q: The homogeneous 18-kg pulley is attached to the bar ABC with a pin at B. The mass of the bar is…

A: The solution is given below

Q: In the figure, two blocks are connected over a pulley. The mass of block A is 14.0 kg and the…

A: It is given that, mass of block A, mA=14 kgco-efficient of kinetic friction, μk=0.300incline angle,…

Q: A stationary 10kg object is sitting on the ground. The coefficient of static friction between the…

A: Given: Mass of an object (m) = 10.0 kg. Coefficient of static friction μs=0.8 Coefficient of kinetic…

Q: A shopper pushes a 9.7 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

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Q: A cow is pushing its baby from side of the farm to another. The floor of the farm is not…

A: we know that the net force is equal to the product of the mass and acceleration. the acceleration is…

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given: Applied force Fp=15.0 N. Mass of the block m=7.0 kg. Distance traveled by block x=15.0 m. The…

Q: A 7780-kg car is travelling at 25.8 m/s when the driver decides to exit the freeway by going up a…

A: Mass of the car m= 7780 kgInitial velocity of the car u = 25.8 m/sFinal velocity of the car v = 13.5…

Q: A 2.00-kg block starts from rest at the top of a 30.0° incline and slides 2.00 m down the incline in…

A: Given data: Mass of the block, m=2.00 kg Distance travelled down the inclined plane, s=2.00 m Time…

Q: A shopper pushes a 6.4 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

A: mass of cart = 6.4 kg constant speed = 1.20 m/s force applied = 21N θ = 38.3o below the horizontal…

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: The minimum distance the car needs to travel to stop (braking distance) is given by, d=v22μg Here, v…

Q: The coefficient of static friction between a sled and the snow is 0.3, with a coefficient of kinetic…

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Q: A person pushes a block of mass M = 6.0 kg with a constant speed of 5.0 m/s straight up a flat…

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Q: A piece of string is hanging from a rod of 5 m as shown below. A 4500 N weight hangs from the…

A: The tension is the force that acts at both extremities of the string. This force helps to elongate…

Q: A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the…

A:

Q: A 40 kg block is attached to the wall with a wire and is resting on the 50 kg and 30 kg blocks on an…

A: To determin: THe smalles force P which will cause sliding

Q: The 86-m microwave transmission tower is steadied by three guy cables as shown. Cable AB carries a…

A:

Q: A person stands on the ball of one foot. The normal force due to the ground pushing up on the ball…

A: Given Data:-  The Normal force due to the ground pushing up on the ball of the foot N = 750 N  The…

Q: 7.3 kg box slides across the floor, experiencing a force of friction of 17.885 N [backward].…

A:

Q: A shopper pushes a 7.4 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

A:

Q: A 13 g bullet pierces a sand bag 32 cm thick. If the initial velocity of the bullet was 68 m/s and…

A: Given data:  Mass (m) = 13 g = 0.013 kg Displacement (d) = 32 cm = 0.32 m Initial velocity (Vi) = 68…

Q: The 16-kg crate is subjected to a force having a constant direction and a magnitude F = 100 N. When…

A: Draw free diagramFind Normal force.

Q: the minimum force F required to hold m₁ against m₂? m2

A: Image: Two blocks with masses m₁ = 24.8 kg and m₂ = 97.6 kg, shown in the figure, are free to move.…

Q: A car starts from rest and accelerates along a straight highway. The car’s engine produces a…

A: free body diagram    given

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: A 24-N force is applied to a 7-kg object to move it with a constant velocity of 6.8m / s across a…

A: Draw the free-body diagram of the object.

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: