The 498-N force is applied to the 89-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. The force is positive if to the right, negative if to the left. H₂ = 0.66 H₂ = 0.52 36° P = 498 N
Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.870 m/s encounters a rough horizontal…
A:
Q: When working on a slippery, angled surface, such as a roof, is a heavier or lighter person more…
A: Required : If a heavier or lighter person more likely to slip ?
Q: ou place a crate of mass 39.9 kg on a frictionless 2.08-meter-long incline. You release the crate…
A: Given: The initila speed of the object is 0 m/s. The length of the ramp is 2.08 m. The mass of the…
Q: The 10-lb block has a speed of 4 ft/s when the force of F = (8t2) lb is applied. The coefficient of…
A:
Q: A 280 g block slides down an incline plane of inclination angle 14 degrees with a constant speed.…
A: Given a 280 g (m) block slides down an incline plane of inclination angle 14 degrees(θ) with a…
Q: A skier starts from rest at the top of a hill that is inclined at 9.6° with respect to the…
A:
Q: A force with a magnitude of 40 N is applied at an angle of e = 30. below the %3D horizontal to an…
A: Given information: The mass of the block (m) = 50kg The angle at which the force is applied (θ) =…
Q: Calculate the net external force of a which has a lifting force of 6,125 g•m/s2 and a mass of 9.58…
A: Whatever body (say body B) is lifting the object (say object O), the data for it is given in the…
Q: aps 2 h 12 min zFVLOdcF What must be the direction of the fourth force of the system below to make…
A: Given,
Q: A student releases a system on an incline as shown. The coefficient of friction of static friction…
A:
Q: A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 286 N at a speed of v =…
A: The net force acting on the crate when it is pushed over the rough surface is, Fnet=F-Ff=F-μkmg=286…
Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal…
A:
Q: The 50-kg box has an initial speed of 7 m/s along the floor. The coefficient of kinetic friction is…
A: Given, Mass of box (m)= 50 kg Initial speed of box ( vo) =(u) = 7m/s Coefficient of friction (µk)…
Q: ŁOne non-powered sled is sliding over a snowed surface, first down from the top of Rat and inclined…
A: Given: The inclination of the plane surface with horizontal is 45 degrees The top of the inclined…
Q: radius R without slipping, the friction force acting on the car and the normal force
A:
Q: Box Mass=64.4 kg T1 = 39.4° T2 = 53.6° F = 2984.3 N Pdynamic = 0.15 µstatic = 0.38 What is the force…
A: Mass of object is Angles are and Applied force is Coefficient of dynamic friction is Coefficient of…
Q: A man pushing a crate of massm = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal…
A: Given: The mass of the crate=m=92.0 kg The speed of the crate=v=0.875 m/s The length of the…
Q: 7.3 kg box slides across the floor, experiencing a force of friction of 17.885 N [backward].…
A:
Q: A man pushing a crate of mass m = 92.0 kg at a speed of v=0.870 m/s encounters a rough horizontal…
A: Mass of the crate (m)=92 kgInitial speed (vi)=0.870 m/sLength of surface (L)=0.65 mCoefficient of…
Q: A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 291 N at a speed of v =…
A:
Q: Compared with the force needed to keep a box to slide at constant velocity on a coarse surface, to…
A:
Q: The world record for pole vaulting is 6.15 m. If the pole vaulter’s gravitational potential is 4942…
A: Given Potential energy= 4942 J Height = 6.15 m We have to calculate the mass
Q: A freezer is on a pair of supports in A and a pair of supports in B. The weights of various parts of…
A: Let the vertical force at A and B be defined as Ay and By. Therefore, at equilibrium, the sum of the…
Q: A 19-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 21 N.…
A: The mass of the sled: m = 19 kg. The horizontal force: Fx = 21 N. The final speed of the sled: v =…
Q: Two workers are sliding 460 kg crate across the floor. One worker pushes forward on the crate with a…
A: GivenTwo workers are sliding m= 460 kg crate across the floor.One worker pushes forward on the crate…
Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…
A:
Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.865 m/s encounters a rough horizontal…
A:
Q: n a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a…
A:
Q: A student releases a system on an incline as shown. The coefficient of friction of static friction…
A: The system consists of two blocks, a 20 kg block resting on a 31o incline, attached to a hanging 7.6…
Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal…
A: a) The expression for find net force on the crate is Fnet=F-Ff=F-μkmg Substitute values in the above…
Q: A skier starts from rest at the top of a hill that is inclined at 10.0° with respect to the…
A:
Step by step
Solved in 2 steps with 2 images
- A 3 kg block travels along a horizontal surface with a coefficient of kinetic friction of 0.28 at a speed of 7 m/s. After sliding a distance of 1.4 m the block makes a smooth transition to a ramp with a coefficient of kinetic friction of 0.28. How far up the ramp does the block travelled before coming to a momentary stop.A skater starts from rest at the top of a frictionless hill that is inclined at 12⁰ with the horizontal. The hillside is 80.0 m long and the coefficient of friction between the snow and the skis is 0.125. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged. Calculate the distance the skater slides along the horizontal portion of the snow before coming to rest.A fish of mass 1kg is lying still on an inclined plane at 3o degrees above the horizontal. the magnitude of the normal force exerted by the plane on the fish is. 0N 9.8N 8.5 N 4.9N
- . Asiacell ? 8:10 PM 38% O اسئلة الامتحان الثال. . . University of Technology Mechanical Engineering Department 2020-2021 Subject: Physics1 Class: First Year Division: power plant Timone hour Q1: The chain binder is used to secure loads of logs, lumber, pipe, and the like. If the tension T is 3 kN when 0 = 40°, determine the force P required on the lever and the corresponding tension T2 for this position. Assume that the surface under A is perfectly smooth. 650mm 100 mm T COO Q2: The force P is applied to (a) the 50 kg block and (b) the 150 kg block. For each case, determine the magnitude of P required to initiaite motion ? H = 0.40 50kg Pia) 4, = 0.12 150kg --YP(b)The coefficient μ of kinetic frictions depends on the surfaces in contact and their conditions, while the coefficient μ of static frictions does not depend on the surfaces conditions. a) Trueb) FalseA man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal surface of length ℓ = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.350 and he exerts a constant horizontal force of 297 N on the crate. A man pushes a crate labeled m, which moves with a velocity vector v to the right, on a horizontal surface. The horizontal surface is textured from the right edge of the crate to a horizontal distance ℓ from the right edge of the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. magnitude ______N direction ---Select--- (b) Find the net work done on the crate while it is on the rough surface._____ J(c) Find the speed of the crate when it reaches the end of the rough surface._____m/s
- A 5.00 kg stone is rubbed across the horizontal ceiling of a cave passageway . If the coefficient of kinetic friction is 0.65 and the force applied to the stone is angled at u 70.0°, what must the magnitude of the force be for the stone to move at constant velocity?13.A 400kg log flume ride is moving at 3 m/sec on the top of a 35-meter hill when it slides down into a pool of water making a huge splash. The log splashes for a distance of 40 meters before coming to a stop. What is the coefficient of friction for the level log/water level part of surface? 35 m 40 mv = 0 M A box of mass M = 3 kg is initially held at rest near the top of a ramp that makes an angle of 0 = 38 degrees with respect to the horizontal. The static and kinetic coefficients of friction between the box and the plane are ls = 0.58 and Hk = 0.43 respectively. When the box is released it accelerates down the ramp and is observed to have a speed Vp = 1.675 m/s when it is a distance D from its starting point. %3D 25) The total work done on the box by all forces as it slides down the ramp is Equal to zero. Greater than zero. Less than zero. 26) What is the value of D? D = 0.52 m D = 1.22 m D = 1.04 m D = 0.13 m D = 0.9 m
- If P = 35 N, what is the magnitude of the force exerted on block 1 by block 2? All surfaces are frictionless.A warehouse worker is pushing a 90.0 kg crate with a horizontal force of 283 N at a speed of v = 0.875 m/s across the warehouse floor. He encounters a rough horizontal section of the floor that is 0.75 m long and where the coefficient of kinetic friction between the crate and floor is 0.354. (a)Determine the magnitude and direction of the net force acting on the crate while it is pushed over the rough section of the floor. (b) Determine the net work done on the crate while it is pushed over the rough section of the floor. (c) Find the speed of the crate when it reaches the end of the rough surface.Please answer