b) A girl exerts a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at constant speed. What is the coefficient of kinetic friction between the sidewalk and the metal sled runners? Ignore air resistance. Hint: Pk = Fk

Q: Suppose a 42 N sled is resting on packed snow. The coefficient of kinetic friction is 0.44. If a…

A: Given data:  Weight of sled (W1) = 42 N Coefficient of kinetic friction (μk) = 0.44 Weight of person…

Q: A truck with a mass of 750 kg is traveling along a wet road at 30.0 m/s  The driver slams on the…

A: The mass of a truck is, m=750 kg The truck will stop by applying brakes, so the final velocity of…

Q: a 250.0 kg crate is being pulled across the floor with a rope that makes an angle of 22.0° to the…

A: Consider the free-body diagram of the crate as follows.

Q: One block rests upon a horizontal surface. A second identical block rests upon the first one. The…

A:

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 fishnet consists of 1 mm diameter strings which form a pattern of 1 cm x 1 cm squares. Estimate he…

A: The diameter of the fishnet is The one side  of square is The velocity is The density is The…

Q: Two crates connected by a rope lie on a horizontal surface (see figure below). Crate A has mass mA…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 46 kg. You were pulling…

A:

Q: This first part is at a angle of 30 degrees and it's 3 meters long. The other is at 45 degrees and…

A: According to the question the diagram of the scenario is:

Q: 8-45. The man has a mass of 60 kg and the crate has a mass of 100 kg. If the coefficient of static…

A:

Q: A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

A:

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

A:

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: b) A girl exerts a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at…

A:

Q: is at rest on a horizontal floor.  A 22 kg child sits on top of the box.  A person pushes the box…

A: Net force = ma

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.…

A:

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

A:

Q: I need help with this Hw Problem.

A:

Q: Mary pushes a her sister down a hill in a cardboard box. The total mass of the box and child is 115…

A:

Q: Siri is exerting a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at a…

A: Force Applied = F = 36 N Weight W = Normal force N = 52 N Coefficient of kinetic friction = μk = ?

Q: ou have been talked into pulling two children on a sled in the snow. When you pull the rope tied to…

A: In this question we have been given that You have been talked into pulling two children on a sled in…

Q: A 3 kg box rests on a horizontal table. It is attached to a 2 kg box via a pulley. The 2 kg box…

A:

Q: When loading a fish delivery truck, a person pushes a block of ice up a 20 ° inclined plane with…

A:

Q: A 25 N object requires a 5.0 N force to start moving over a horizontal surface. What is the…

A:

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: 45kg gymnast wedges himself between two closely spaced vertical walls by pressing his hands and feet…

A: Given,  Mass = 45 kg   We need to calculate,  Friction force with given condition =?

Q: A 1350-kgkg car pulls a 330-kgkg trailer. The car exerts a horizontal force of 3.6 ×× 103 NN against…

A:

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

A:

Q: A 10.0-kg box is at rest on a concrete floor. The coefficient of static friction between the box and…

A: mass, m = 10 kg static friction coefficient = 0.75  kinetic friction coefficient = 0.62  Force, F =…

Q: A sled is on a horizontal surface and a rope with tension T is pulling on it at an angle e above the…

A: Given data: Tension in the rope = T Angle above the horizontal = θ Mass = M Coefficient of static…

Q: Block m has a mass of 16 kg.  Block M has a mass of 88 kg.  If there is no friction between block M…

A: Mass of block m is m=16 kg. Mass of block M is M=88 kg. The coefficient of friction between block m…

Q: A block M1 of mass 10.0 kg sits on top of a larger block M2 of mass 20.0 kg which sits on a flat…

A:

Q: Sammy is doing a strength testing session on the turf in preparation for the upcoming basketball…

A: Mass of sled (m) = 105 kgCoefficient of static friction (us) = 0.3Sammy apply only horizontal…

Q: A 1.09 kg block is placed at one end of a wooden plank that is 2.02 m long. The plank is slowly…

A:

Q: skier is pulled up a slope at a constant velocity by a h respect to the horizontal. The force…

A:

Q: A box of mass mb is being blown by a strong steady wind across the level surface of a picnic table.…

A:

Q: g up a grade of 15 with an initial velocity of 30 m/s. The coefficient of static friction between…

A: GivenAngle, θ=15°Initial velocity, u=30 m/sCoefficient of static friction between the tires and the…

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: