FÅ A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. How much friction is present? Ff= How much does the desk weigh? Fg = How much Normal force must be present? N N

FÅ A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. How much friction is present? Ff= How much does the desk weigh? Fg = How much Normal force must be present? N N

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 5.8P: (a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is...

See similar textbooks

Similar questions

A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its acceleration? (b) What is the net force on the car?
Two forces F1=(62.98i15.80j) N and F2=(23.66i78.05j) are exerted on a particle. The particles mass is 14.23 kg. a. Find the particles acceleration in component form. b. What are the magnitude and direction of the acceleration?
(a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is the total force on the cat ? (b) What is the total force on the cat if it is moving to the left?
While two forces act on it, a particle is to move at the constant velocity = (3.58 m/s) -(-3.26 m/s). One of the forces is F1 = (1.88 N) + (-5.85 N). What is the other force? Number i + i j Units
A student tries to push a 30 kg desk across the room. She pushes at a downward angle of 33.2° (measured from the horizontal) with a force of 200 N. As a result, the desk moves with a constant velocity of 1.87 m/s. How much friction is present? Ff = N How much does the desk weigh? Fg = N How much Normal force must be present? FN = N
Moments after making the dreaded decision to jump out the door of the airplane flying at 10,682 feet, a skydiver's 85.4-kg body experiences 116 N of air resistance. The m/s?. magnitude of the skydiver's downward acceleration at this instant in time is Use the approximation g = 10 m/s?. LFBD skydiver small air res.png
Lauren pulls her 18 kg suitcase at a constant speed by pulling on a handle that makes an angle of θ with the horizontal. The frictional force on the suitcase is 27 N and Lauren exerts a 43 N orce on the handle. a) What angle does the handle make with the horizontal? b) What is the normal force exerted on the suitcase?
ol nt... 7 2 W S 6. A mass m₁ = 4.80 kg block on a tabletop is attached by a string to a hanging block of mass m₂ = 3.00 kg, as shown in the figure. The coefficient of kinetic friction between the mass (m₁) and the surface is 0.29. The blocks are released from rest and allowed to move freely. Find the magnitude of the tension in the string. N 3 E 80 F3. 4 288 R F % 5 246 T G 6 16 ceil6 ceil6 ceil6 ceil6 cesto co B 21910291999 MacBook Air FO Y & 7 m₂ H U 8 J FB ( 9 M K 16 ceiló cerlo ceiló cel cc116 ceil6 ccilo ceiló ceilo O 4 16. cci P
Two crates connected by a rope lie on a horizontal surface (see figure below). Crate A has mass mA and crate B has mass mB. The coefficient of kinetic friction between each crate and the surface is uk. The crates are pulled to the right at constant velocity by a horizontal force F. Calculate the magnitude of the force F in terms of mA, mB,& µk t F A B
A large crate is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is 0.400. A force F is applied to the crate in a direction 30.0° above the horizontal. The minimum Part A value of F required to get the crate to start sliding is 440 N. What is the mass of the crate? Express your answer with the appropriate units. HA ? Value kg m =
A pulley is suspended by a cord C. Suppose that m1= 1.0 kg and m2 = 3.1 kg . Determine the tension in the cord that supports the pulley C after the masses are released and before one hits the ground. Ignore the mass of the pulley and cords.
A student attaches a rope to a 32 kg box, and drags it to the left with constant velocity of 1.08 m/s. The tension in the rope is 235 N at an angle of 48.7° to the ground. How much does the box weigh? 313.92 Find the x and y components of the applied (tension) force: Fx = 155.10 V o N %3D Fy = 176.5 N. %3D How much friction must be present? 155.10 V oN How much Normal force must be present? N. Submit Question