A girl is sledding down a slope that is inclined at 30.0° with respect to the horizontal. The wind is aiding the motion by providing a steady force of 183. N that is parallel to the motion of the sled. The combined mass of the girl and the sled is 73.5 kg, and the coefficient of kinetic friction between the snow and the runners of the sled is 0.163. How much time is required for the sled to travel down a 110-m slope, starting from rest?

Q: A 7kg block is placed on an inclined that is 24 degrees to the horizontal. It has a coefficient of…

A: Given:- The mass of the block m = 7 kg  The inclined plane at an angle of 24 degrees to the…

Q: A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is…

A: The combined mass, m = 63.2 kg The angle of inclination of the slope, θ=30° The Constant force of…

Q: A child is pulling a red wagon full of toys (total mass is 9.50 kg). His pull is 35 N in magnitude…

A:

Q: „DATUM .. 37

A: Let the tension in the rope be T Weight of Block A, WA=150 N Weight of Block B, WB=50 N considering…

Q: 5.6 kg desk is being pushed along a classroom at a constant speed of 0.5 m/s. If a force of 34 N is…

A:

Q: In a circus performance, a monkey on a sled is given an initial speed of 3.1 m/s up a 26◦ incline.…

A: Given that :v=3.1 m/sθ=26°μk=0.71m=20.2 kgwhere,v is the initial speedθ is the anglem is the massμk…

Q: A 3.3 kg block is on an incline with a coefficient of static friction of 0.50. The angle that the…

A: Let m be the mass of the block, g be the acceleration due to gravity, θ be the angle of inclination,…

Q: A husky is pulling a sled loaded with cargo (total mass m = 34kg) along some snow, which has…

A:

Q: A 19 kg box is being pushed uniformly across a horizontal surface with which the coefficient of…

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

Q: am designing a ramp to slide boxes down. The angle of the ramp is 35º. A plastic box massing 30 kg…

A: angle of friction          tanθ=μ if  μ > μs=k  then no slide  μ < μs=k   slide

Q: F

A: Given: Mass m1 = 4.7 kg. Mass m2 = 2.4 kg. Upward force F = 6.4 N. Downward acceleration (a) = 4.7…

Q: A box weighing 980N is pulled along a horizontal surface by means of a cord which is at 25° above…

A:

Q: A child is pulling a red wagon full of toys (total mass is 8.35 kg). His pull is 34 N in magnitude…

A:

Q: A 3.47 kg block is placed at one end of a wooden plank that is 9.05 m long. The plank is slowly…

A:

Q: A block with a mass of 3.61 kg is at rest on an inclined surface. The surface makes an angle of…

A:

Q: A sled and rider have a total mass of 50.5 kg. They are on a snowy hill. The coefficient of kinetic…

A: Given: Total mass of sled and rider is 50.5kg. The coefficient of kinetic friction is 0.170. The…

Q: Two objects collide head-on (see figure below). The first object is moving with an initial speed of…

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Q: A block with a mass of 6.47 kg is on a horizontal surface that has friction. A string is pulling…

A:

Q: he top of a ramp, which is inclined at an angle of 20 degrees with respect to the horizontal.…

A:

Q: A hockey puck is sliding across a level frozen pond with an initial speed of 7.9 m/s. Friction is…

A:

Q: A 50.0-kg block is being pulled up a 17.0° slope by a force of 250 N which is parallel to the slope.…

A: Free body diagram of the problem is - Net force according to second law of motion -  FNet=ma

Q: small block with mass 0.327 kg is sliding down a frictionless ramp that is inclined at an angle of…

A:

Q: Two masses are being pulled up a 30.0 degree incline by a force F parallel to the incline. The…

A: Acceleration of 150-kg mass also = 1.00 m/s2Frictional force on the 150 kg is = 150 × 9.81 × cos 30…

Q: Bob and Jane are trying to pull a heavy box (m=500 kg) to the top of a ramp which is inclined at 15…

A: How hard to Bob and Jane have to pull the box in Newtons to get it to start moving up the ramp.…

Q: A box of mass 37 kilograms is being pushed as constant speed in a straight line across the floor by…

A:

Q: A stubborn, 115 kgkg mule sits down and refuses to move. To drag the mule to the barn, the…

A: Given: The mass of mule is m=115 kg. The maximum force is F=800 N. The static coefficients of…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A: Force applied (F)= 480 N Coefficient of kinetic friction (µk)= 0.49 Mass of crate(m)= 50 kg Angle of…

Q: You are pushing a rubber crate against a concrete floor. The two surfaces have a static coefficient…

A: 1) for rubber crate  Limiting friction fL = usmg = 0.66×25×9.81  fL = 161.86 N  Applied force F = 85…

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

A:

Q: A 645 kg car is being pushed along a flat parking lot at a constant speed of 1.78 m/s. The…

A: The mass of the car, m=645 kg The velocity of the car, v=1.78 m/s The coefficient of friction…

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

A:

Q: Pushing a block over horizontal surfaces, a person examines their understanding of friction. In the…

A: The frictional force acts in the opposite direction of the motion of an object. If the object is…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: A horizontal force of 88.2 N is applied to a 30.5 kg crate on a rough, level surface. If the crate…

A: Here, the net force, Fnet = 88.2NMass of the crate, m = 30.5kgAcceleration of the crate, a = 1.08…

Q: Your friend asks for help moving a box across the apartment floor and tells you that the box weighs…

A: The static frictional force on the box Fs=μsW=0.42·422=177.24 N The kinetic frictional force on the…

Q: horizontal force

A: To maintain the motion of the box at a constant speed, the worker must apply a horizontal force…

Q: A stubborn 146 kg mule sits down and refuses to move. To drag the mule to the barn, the exasperated…

A: Given: The mass of the mule is m = 146 kg The farmer pulls the mule with a maximum force is F = 604…

Q: A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is…

A:

Q: n 80 kg log is sliding along a flat section of ground at constant velocity with a coefficient of…

A:

Q: A block with a mass of 3.44 kg is sliding down an inclined surface. The surface makes an angle of…

A: The expression for the coefficient of kinetic friction by equating the forces along inclined surface…

Q: A flatbed truck is carrying a 30-kg crate up a sloping road at a constant speed. The coefficient of…

A:

Q: You are pushing a rubber crate against a concrete floor. The two surfaces have a static coefficient…

A: when some force is applied against friction at first it will try to overcome the static friction.…

Q: A 1.9 kg otter starts from rest at the top of a muddy incline 84.1 cm long and slides down to the…

A: Given that,The mass of otter : m = 1.9 (kg)The length of muddy inclination : d = 84.1 (cm)The time…

Q: Consider a wooden ramp angled 30.1 degrees above horizontal. If a 10.2-kg wooden block is given a…

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

Q: You are pulling on a box (that has a 5.9 kg mass) by using a rope, pulling upward with a force of…

A:

Q: A block with a mass of 7.15 kg is on a horizontal surface that has friction. A string is pulling…

A:

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

A:

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: