9. A 1.90 kg box rests on a plank that is inclined at an angle of...
9. A 1.90 kg box rests on a plank that is inclined at an angle of 29° above the horizontal. The upper end of the box is attached to a spring with a force constant of 18 N/m, as shown in the figure. If the coefficient of static friction between the box and the plank is 0.79, what is the maximum amount the spring can be compressed and the box remain at rest?
Homework Answers
Making a free-body diagram, we find that the component of the box's weight normal to the surface of the incline is given by
The force of friction is therefore given as:
The maximum corresponding compression of the spring is given as:
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9. A 1.90 kg box rests on a plank that is inclined at an angle
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How do you this 7. A 1.10 kg box rests on a plank that is inclined...
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7. A 1.10 kg box rests on a plank that is inclined at an angle of 60.0° above the horizontal. The upper end of the box is attached to a spring with a force constant of 15.0 N/m, as shown in the figure. If the coefficient of static friction between the box and the plank is 0.17, what is the maximum amount the spring can be stretched and the box remain at rest?
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(7%) Problem 13: A box slides down a plank of length d that makes an angle of θ with the horizontal as shown. μk is the kinetic coefficient of friction and us is the static coefficient of friction Otheexpertta.comm 33% Part (a) Enter an expression for the minimum angle (in degrees) the box will begin to slide. θmin-atan(με) Correct! 33% Part (b) Enter an expression for the nonconservative work done by kinetic friction as the block slides down the plank....
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7. A 1.10 kg box rests on a plank that is inclined at an angle of 60.0° above the horizontal. The upper end of the box is attached to a spring with a force constant of 15.0 N/m, as shown in the figure. If the coefficient of static friction between the box and the plank is 0.17, what is the maximum amount the spring can be stretched and the box remain at rest?
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A block of mass 3.0 kg rests on an inclined planw that makes an
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10. A block with a mass of 5.0 kg is attached to a horizontal
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2. A block...
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A small 0.40-kg box is launched from rest by a horizontal spring
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