When does kinetic friction occur in trying to push a heavy object?O when the object is stillwhen the force you apply is smaller than the maximum static frictional forceO when the force you apply is larger than the maximum static frictional forceO just before enough force is applied to move the objectwhen the force you apply is insufficient to set the object in motion

when the force you apply is smaller than the maximum static frictional force.

Answered: When does kinetic friction occur in…

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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A 0.5 kg mass is projected up a long 25° inclined plane with an initial speed of 4.5 m/sec. The block/surface have coefficient of kinetic friction 0.3 and coefficient of static friction 0.32. 1)What is the magnitude of the acceleration of the block as it moves upward? 2) How far up the slope does the block go before it comes to rest? A-0300 4-0320 4.50 m/s 0.500 kg 25.0
1. A car of mass 500.0 kg has an initial velocity of 10.0 m/s. This car is about to perform a stunt for an upcoming action movie. While traveling on a horizontal road, it accelerates due to a force F=1500 N parallel to the road. 5 seconds later it reaches the edge of a cliff from where it falls for 50.0 m. At that moment the horizontal force stops existing. You can ignore friction in your calculations. a. Draw a sketch of the problem including all the information that is provided. Hint: You must include a reference frame in your drawing! b. Calculate velocity with which the car jumps the cliff. c. Calculate the gravitational potential energy of the car before and after the fall. d. Calculate the kinetic energy of the car before and after the force is exerted. e. Calculate the work done by force F. f. What are the speed (magnitude of the velocity) and direction with which the car impacts the ground?
O as shown A block of mass m enters a rough surface at x = in the figure with an initial speed of vo. Coefficient of kinetic friction in this region varies as Hx How can magnitude of the acceleration of the block be expressed as a function of x? bx where b is a constant. y vo X-0 Seçtiğiniz cevabın işaretlendiğini görene kadar bekleyiniz 5,00 Puan a = 2bgx = bgx a = 2gx a = gx a = 2bx
An object of mass m = 1.00 kg is observed to have an acceleration of a with a magnitude of 23.6 m/s² in a direction 0 = 63.5° east of north. The figure below shows a view of the object from above. The force F₂ acting on the object has a magnitude of 10.5 N and is directed north. Determine the magnitude and direction of the force F₁ acting on the object. 2 1 N magnitude direction East m F₁
A 500 N block is being pushed along a frictionless horizontal surface by a force of 150 N at 40° to the horizontal. What is the normal force from the surface on the object? A) 96 N B) 150 N C) 404 N D) 500 N E) 596 N 150 N 500 N 40.0°
Y Which of the following explains what is shown in the picture? Ball X was dropped from a lower height than ball Y assuming that ball X and ball Y are the same mass. Ball Y was dropped from a lower height than ball X assuming that ball X and ball Y are the same mass. Ball X and ball Y are dropped from the same height, but ball X weighs more than ball Y. The block applies a more resistant force to ball X than Ball Y
A force is acting between the surfaces of these two solid objects where one object is sliding on the surface of another object. The presence of this force makes the object start to slow down. In which direction does this force act in relation to the motion of the object? O This force is acting perpendicular to the velocity of the object. This force is acting in the opposite direction as the velocity of the object. This force is acting at an angle to the velocity of the object. O This force is acting in the same direction as the velocity of the object.
A vertical force F is applied to a block of mass m that lies on a floor. What happens to the magnitude of the normal force on the block from the floor as magnitude F is increased from zero if force is (a) downward and (b) upward? N
m A block of mass m = 10.46 kg is at rest on a friction-less table. A student comes 0 = along and presses on the book with an unknown force F, at an angle 6= 23.9° as shown in the figure. If the acceleration is 8.11 m/s2, with how much force (in N) is the student pressing? %3D Your Answer:
Suppose that the block moves across the surface with constant speed under the action of a horizontal 3.0-N force Which one of the following statements concerning this situation is false? The frictional force on the block has magnitude 3.0N. B. The net force on the block is zero newtons. The block is not accelerated. The direction of the total force that the surface exerts on the block is vertically upward
A block whose weight is 40 N rests on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50. A string is attached to the block. The string is pulled horizontally with a force of 15 N. Which one of the following statements is correct? O The magnitude of the force of friction on the block is 20 N. O The magnitude of the force of friction on the block is 15 N. O The force of friction cannot be determined because the coefficient of kinetic friction is not given. O The force of friction cannot be determined because the normal force of the surface on the block is not known. O The magnitude of the force of friction on the block is 5 N.
A 40 N box is resting on a table when a 20 N force is applied to it horizontally. The coefficients of static and kinetic friction are 0.3 and 0.1, respectively. Which of the following best describes the resulting motion of the box? The motion of the box cannot be determined with the given information. The box accelerates in the direction of the applied force. The box remains at rest. The box moves with a constant velocity in the direction of the applied force.

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