moving.What is the coefficient of static friction between the shoe and the surface material? What is the coefficient of dynamic friction between the shoe and the surface material?

Q: A group of students carry out an experiment in which they want to find the coefficient of kinetic…

A: when a mass is placed on the top of the box then it also exert a normal force which is added to…

Q: Mary applies a force of 71 N to push a box with an acceleration of 0.52 m/s². When she increases the…

A:

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 are working for a shipping company. Your job is to stand at the bottom of an 8.0-m-long ramp…

A: Given data: The coefficient of kinetic friction is μk=0..30 The length is l = 8.0 m long

Q: A rug (mass of 20.0 kg) is sitting on a slope with an angle of 20 degrees. A person (mass of 40.0…

A:

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: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: A manufacturer of children's slides does some tests and discovers that the slope of a slippery slide…

A: The data given is as follows, 1. Slope of the slide, θ=25° 2. The weight of the child is, mc=35 kg…

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.54 m/s2. When she increases the…

A:

Q: Due to a jaw injury, a patient must wear a strap that produces a net upward force of 5.00 N on his…

A:

Q: A circus gymnast hangs from two ropes attached to the ceiling while lowering himself to the floor at…

A: Given: The angle of the first rope with vertical is 28.3°. The tension in the first rope is 352 N.…

Q: A box started at rest but was moved at a speed of 5 m/s. It was pushed 3 meters up a 60° ramp. The…

A: The mass of the box is m = 5.6 kg. The inclination of the plane with the horizontal is θ = 60…

Q: The Johnsons just received a heavy package (perhaps a treadmill) in the mail that they ordered from…

A:

Q: Which of the following statements are true? Select all correct.   Question 4 options:   An ideal…

A: An ideal pulley system assumes that pulleys are frictionless and massless and that ropes are…

Q: A 40 N box is resting on a table when a 10 N force is applied to it horizontally. The coefficients…

A: Frictional force F = uN

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 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: a girl is pulling her 6.8kg wagon along a horizontal sidewalk. the force exerted by the girl is 17 N…

A:

Q: horses pull a cart with a total applied force of 1000N. The kinetic friction from the gravel road…

A: Given  Mass of cart, M = 200 kg  Force applied, F = 1000 N  Frictional force, f = 375 N

Q: The Johnsons just received a heavy package (perhaps a treadmill) in the mail that they ordered from…

A:

Q: A Z-Drag is an arrangement of ropes in pulleys often used in rescue situations. Implemented…

A:

Q: A child has mass 24.0 kg and slides down a 23° incline with constant speed under the action of a…

A:

Q: An object is given an initial speed of 5 m/s on a horizontal surface.It slides 10 m on the…

A:

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: Two blocks are connected by a string as in the figure and the system is released from rest. The…

A:

Q: A steel beam is suspended from two ropes as it is lifted to the top of a building at a constant…

A: Given: θ1=27.1°θ2=25.7° T1=711 N Free Body Diagram:

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: Given data: The tension in one rope is T1=653 N. The angle made by one rope is θ1=26.5°. The angle…

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: SOlution: Given that T = 950 N angle1 = 28.2 degrees angle2 = 33.7 degrees

Q: The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed…

A: Given data The mass of the object is m = 62 kg. The force applied to the object is F = 23 N. The…

Q: Weightcrate= Normal crate= Weightblock Tension block Tension crate Friction crate= = unit unit unit…

A:

Q: Mary applies a force of 71 N to push a box with an acceleration of 0.45 m/s2. When she increases the…

A:

Q: The longer, top cord loops over a frictionless pulley and pulls with a force of magnitude 74 N on…

A: (d) Given: The magnitude of the force is 74 N. The tensions of the shorter cord are T1 = 40.0 N, T2…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!