A 25 kg box is given an initial velocity of 65 m/s up a plane from the bottom of the plane. The plane is inclined 35° to the horizontal. The coefficient of kinetic friction between the box and the plane is 1. 0.45. Sketch a free body diagram of the box, labelling all the forces acting on the box. b. Resolve the weight of the box into: i. a horizontal component parallel to the inclined plane, and ii. a vertical component perpendicular to the inclined plane.

A 25 kg box is given an initial velocity of 65 m/s up a plane from the bottom of the plane. The plane is inclined 35° to the horizontal. The coefficient of kinetic friction between the box and the plane is 1. 0.45. Sketch a free body diagram of the box, labelling all the forces acting on the box. b. Resolve the weight of the box into: i. a horizontal component parallel to the inclined plane, and ii. a vertical component perpendicular to the inclined plane.

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)...

See similar textbooks

Similar questions

Suppose you pull a suitcase with a strap that makes a 60° angle with the horizontal. The magnitude of the force you exert on the suitcase is 40 Ib. a. Find the horizontal and vertical components of the force. b. Is the horizontal component of the force greater if the angle of the strap is 30° instead of 60°? c. Is the vertical component of the force greater if the angle of the strap is 30° instead of 60°? a. Consider the figure (not to scale) to the right. It shows the force vector F along with its horizontal and vertical components, F, and Fy, respectively. Which of the following formulas will correctly evaluate F Fx and Fy? TO O A. F, = F| sin 0 and F, = F| cos 0 O B. F = |F| tan 0 and F, = |F| cot0 O C. F=|F| cos 0 and F, = |F| sin 0 O D. Fy = |F| cot 0 and F, = |F| tan 0
Calculate the magnitude of a normal force on a 22.7 kg block in the following circumstances. a. the block is resting on a level surface. b. the block is resting on a surface tilted up at 40.8 degrees with respect to the horizontal. c. the block is resting on the floor of an elevator that is accelerating upward at 2.53 m.s^2 d. the block is on the level surface and a force of 115 N is exerted on it at an angle of 40.8 degrees below the horizontal.
In the figure, two blocks are connected over a pulley. The mass of block A is 14.0 kg and the coefficient of kinetic friction between A and the incline is 0.140. Angle 0 of the incline is 42.0°. Block A slides down the incline at constant speed. What is the mass of block B? Frictionless, massless pulley A B Number i Units
A loop-the-loop section of a track is set up in a General Physics laboratory. A block is sliding on the surface of the track and passes through points A, B, C, D as shown in the diagram. Assume the track-block system has friction that is low enough it can be ignored. 1. 2. 3. Match the freebody diagram shown below with the forces exerted on the block at point B 4. A 5. D B с
e. A block with a mass of 25.5 kg is moving at constant velocity because a force of 138 N is applied to the right at an upward angle of 29.9 degrees as shown. Use g%3D10 N/kg. What is the magnitude of the friction force? units What is the magnitude of the normal force? units
A cart of mass 8.0kg was moved by applying two constant forces. Force 1 is 28.0N at 42.0 degrees, and Force 2 is 13.0N at 110 degrees. Initially, the cart has a velocity of (3.50i + 2.20j)m/s. a. Express the two forces in unit-vector notation.b. Find the total force exerted on the cart.c. Find the angle at which the total force is applied.d. What is the acceleration of the cart?e. What is the cart's velocity after 5.0s?f. What is the position of the cart after 5.0s?g. What is the angle of the position after 5.0s?h. What is the total work done by the two applied forces?
In the figure, two blocks are connected over a pulley. The mass of block A is 8.50 kg and the coefficient of kinetic friction between A and the incline is 0.260. Angle e of the incline is 40.0°. Block A slides down the incline at constant speed. What is the mass of block B? Frictionless, massless pulley Number i Units
5. A box can be moved up an inclined plane with constant velocity by a force of magnitude F1 or down the inclined plane with constant velocity by a force of magnitude F2. Find the coefficient of friction u between the box and the inclined plane. It holds that F1 = 6F2 and both forces are parallel with the inclined plane. The angle a between the inclined plane and the horizontal plane is 15°. a a
A block slides on a surface when two forces act on it as shown in the figure. The two forces acting on it each have magnitude F = 50.0 N and M = 20.0 kg, and coefficient of kinetic friction is 0.20. a. Find the net force in the vertical direction b. Find the net force in the horizontal direction c. What is the magnitude of the resulting acceleration of the block? 30° M
The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.36 tons spread out over its length of 37 feet. What is its weight in newtons? N
14. A 66.0 kg skier with an initial velocity of 9.30 m/s slides up a slope of 35.0° to a height of 2.50 m above where she started. The coefficient of kinetic friction is 0.0750. a. Find the force due to friction on the hill. b. Find the skier's velocity at the top of the hill. V = ? KE₁ Vi 35° 2.5 m
2. Block A has a mass of 6.00 kg. Block B has a mass of 5.00 kg. The coefficients of friction between two blocks are us= 0.400 and uk = 0.200. The coefficients of friction between the blocks and the ramp are us=0.500 and μ = 0.300. The ramp is angled at 15.0° above the horizontal. 4 B The man pulls the blocks up the incline. What is the largest force he can pull with if he doesn't want the top block to slip?