View Policies Current Attempt in Progress In the figure, a crate of mass m - 120 kg is pushed at a constant speed up a frictionless ramp (0-30°) by a horizontal force F.The positive direction of an x axis is up the ramp, and the positive direction of a y axis is perpendicular to the ramp. (a) What is the magnitude of F? (b) What is the magnitude of the normal force on the crate? (a) Number i Units (b) Number Units Save for Later Attempts: 0 of 4 used Submit Answer Using multiple attempts will impact your score. 10% score reduction after attempt 3

View Policies Current Attempt in Progress In the figure, a crate of mass m - 120 kg is pushed at a constant speed up a frictionless ramp (0-30°) by a horizontal force F.The positive direction of an x axis is up the ramp, and the positive direction of a y axis is perpendicular to the ramp. (a) What is the magnitude of F? (b) What is the magnitude of the normal force on the crate? (a) Number i Units (b) Number Units Save for Later Attempts: 0 of 4 used Submit Answer Using multiple attempts will impact your score. 10% score reduction after attempt 3

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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View Policies Current Attempt in Progress In the figure, a slab of mass m, = 44 kg rests on a frictionless floor, and a block of mass m2 = 10 kg rests on top of the slab. Between block and slab, the coefficient of static friction is 0.60, and the coefficient of kinetic friction is 0.40. A horizontal force 101 N begins to pull directly on the block, as shown. In unit-vector notation, what are the resulting accelerations of (a) the block and (b) of magnitude the slab? U = 0- %3D (a) Number i i i Units (b) Number i i j Units eTextbook and Media N Un GO Tutorial Attempts: 0 of 8 used Submit Answer Qu Save for Later tv DII
Use the worked example above to help you solve this problem. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass of the sled and salmon is 50.0 kg, and the Eskimo exerts a force on the sled by pulling on the rope. Suppose the coefficient of kinetic friction between the loaded sled and snow is 0.200. (a) The Eskimo pulls the sled 5.60 m, exerting a force of 1.10 x 102 N at an angle of 0 = 0°. Find the work done on the sled by friction, and the net work. J W fric W net (b) Repeat the calculation if the applied force is exerted at an angle of 0 = 30.0° with the horizontal. W fric W net
Block B in the figure weighs 798 N.
Can you please answer these. In the previous question the acceleration was found to be a= 1.675 Question 5 The situation for this problem is as explained in question 4. Block E is moving up and to the left (and Block D is moving down). The mass of Block D is 3.2 kg. The mass of Block E is 2.4 kg. The coefficient of kinetic friction between Block E and the plane is 0.5. The inclined plane is inclined at an angle of θ = 32 degrees above horizontal. Calculate the tension in the string (in units of newtons). Question 7 This question is the same as question 5 with the exceptions that The numbers have changed, and Block E is moving down and to the right (this refers to velocity) Block E is moving down and to the right (and Block D is moving up). The mass of Block D is 2.9 kg. The mass of Block E is 3.9 kg. The coefficient of kinetic friction between Block E and the plane is 0.41. The inclined plane is inclined at an angle of θ = 31 degrees above horizontal. Calculate the acceleration of…
Question 2 To give a 22-kg child a ride, two teenagers pull on a 3.5- kg sled with ropes, as indicated in the figure (Figure 1). Both teenagers pull with a force of 55 N at an angle of 35° relative to the forward direction, which is the direction of motion. In addition, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. You may want to review (Pages 134 - 136) . Part A Find the acceleration of the sled and child. Express your answer using two significant figures. Hν ΑΣφ ? a = m/s? Submit Request Answer Provide Feedback Figure 1 of 1 55 N 35° 57 N a 35° 55 N
A 48 kilogram crate is sliding down a ramp with an incline of 21 degrees to the horizontal. The coefficient of friction is .46 between the create and ramp. what is the Parallel component of the weight force? What is the acceleration of the crate sliding down the ramp? draw a picture
A 14 kg mass bangs from a rope. A force is applied to the rope so that the mass is accelerated upward at 2.3 m/s . What is the tension in the rope? Use g = 9.8 m/s ^ 2 Calculate answer to one decimal
Create a table of observation with the following hearing mu, Ff, FN, Fapp, Fg and Mass As well as plot a force of friction vs normal force graph and draw a line of best fit and calculate the slope of this line Ff= 1.1N Fn= -9.8 xm Fg= 9.8 xm
An object slides up a 20° slippery incline in dynamic equilibrium due to an applied force of 10.0 N directed parallel to the incline. Fill out the following table, leaving any quantity that is not given as a variable: Force x-component y-component Applied Normal Weight ma
A 4.8-m-long rope of mass 1.8 kg hangs from a ceiling.
The horizontal and vertical components, respectively, of a force F are given. Compute the magnitude, inclination with the X axis, and the sense of the force F. -300lb, 400lb
(Newton's laws and their applications) A block with mass m1 slides down an inclined plane whose angle is 22 °, the coefficient of kinetic friction between the block and the plane is 0,250. The block is attached to an ideal rope that passes through two ideal pulleys until it is attached to a fixed support, as shown in figure 3. A rope leaves the axis of the movable pulley up to a block of mass m2 3 m2 m1 Figure 3. Diagram of exercise 3 A. Discuss what difference the exercise will make if one more pulley is placed on the ceiling that makes the rope connect to the rod of the movable pulley.