Question

Notify Me Bookmark

A car is rolling over the top of a hill at constant speed v as shown in the figure. If n is the normal reaction force of the ground on the car, and w is the weight of the car. Which of the following is true at this instant? (there may be more than one true answer) w > n w < n w = n The velocity and acceleration are perpendiculars to each other. The acceleration of the object is zero

A car is rolling over the top of a hill at constant speed v as shown in the figure. If n is the normal reaction force of the ground on the car, and w is the weight of the car. Which of the following is true at this instant? (there may be more than one true answer) w > n w < n w = n The velocity and acceleration are perpendiculars to each other. The acceleration of the object is zero

Image text
A car is rolling over the top of a hill at constant speed v as shown in the figure. If n is the normal reaction force of the ground on the car, and w is the weight of the car. Which of the following is true at this instant? (there may be more than one true answer) w > n w < n w = n The velocity and acceleration are perpendiculars to each other. The acceleration of the object is zero

Detailed Answer

0 0

Please enter your email here. You will get email when this question is answered by our tutor.

Doubtrix Logo

Problem is not yet solved!

Click on Notify me to get email when question is answered.

Join Doubtrix with 7-days free trial

  • Icon Correct & Verified Answers
  • Icon No AI-Generated Answers
  • Icon Video Solution for Difficult Questions
  • Icon Work With Experts to Reach at Correct Answers
Notify me Login Sign Up

Similar/Related Questions

A spring (which behaves linearly both in tension and compression) when tested vertically in isolation, as shown in Figure 1, is found to stretch by x0 cm when it supports a mass of m1 kg. Figure 1 The spring extends by x0 cm when supporting an m1 kg mass The spring, along with a damper, is then attached horizontally to a trolley of mass 1360 kg, which is constrained to move only in the x-direction (see Figure 2). The spring is stretched some distance from its equilibrium position before being released. (a) (b) Figure 2 (a) A frictionless trolley is attached by a spring, with spring constant k and a damper with a damping coefficient χ. The trolley is shown in its natural rest position with its left-hand face at x = 0. (b) Free body diagram for the trolley shortly after being pulled to the right then released, with the spring under tension so, at this instant, its velocity is in the negative x-direction. (For clarity the damping force and normal reaction forces have been shown as acting at the point of their arrows - the spring force and weight are shown as acting at the tail of their arrows.)
Solution
0 0

A 50-kg student pulls on a rope attached to a 2-kg box, which moves at constant speed along a smooth surface, as shown. Which of the following corresponds to a force pair? The friction between the box and the surface, and the horizontal component of the push on the box. The normal force on the box and the weight of the box. The push on the box by the student and the push on the student by the box. The vertical component of the push applied by the student and the weight of the box. The weight of the box and the weight of the student. There are no force pairs because the acceleration of the box is zero.
Solution
0 0

A load of bricks with mass m1 = 17.0 kg hangs from one end of a rope that passes over a small, frictionless pulley. A counterweight of mass m2 = 31.0 kg is suspended from the other end of the rope, as shown in (Figure 1). The system is released from rest. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Two bodies with the same magnitude of acceleration. Part A Draw a free-body diagram for the load of bricks. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Part C What is the magnitude of the upward acceleration of the load of bricks? Express your answer with the appropriate units. Part D What is the tension in the rope while the load is moving? Express your answer with the appropriate units. Part E How does the tension compare to the weight of the load of bricks? To the weight of the counterweight? Drag the terms on the left to the appropriate blanks on the right to complete the sentence. Reset Help smaller than The tension in the rope is the greater than weight of the load of bricks and the weight of the counterweigh. A load of bricks with mass m1 = 17.0 kg hangs from one end of a rope that passes over a small, frictionless pulley. A counterweight of mass m2 = 31.0 kg is suspended from the other end of the rope, as shown in (Figure 1). The system is released from rest. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Two bodies with the same magnitude of acceleration. Part A Draw a free-body diagram for the load of bricks. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Part C What is the magnitude of the upward acceleration of the load of bricks? Express your answer with the appropriate units. Part D What is the tension in the rope while the load is moving? Express your answer with the appropriate units. Part E How does the tension compare to the weight of the load of bricks? To the weight of the counterweight? Drag the terms on the left to the appropriate blanks on the right to complete the sentence. Reset Help smaller than The tension in the rope is the greater than weight of the load of bricks and the weight of the counterweigh. A load of bricks with mass m1 = 17.0 kg hangs from one end of a rope that passes over a small, frictionless pulley. A counterweight of mass m2 = 31.0 kg is suspended from the other end of the rope, as shown in (Figure 1). The system is released from rest. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Two bodies with the same magnitude of acceleration. Part A Draw a free-body diagram for the load of bricks. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Part C What is the magnitude of the upward acceleration of the load of bricks? Express your answer with the appropriate units. Part D What is the tension in the rope while the load is moving? Express your answer with the appropriate units. Part E How does the tension compare to the weight of the load of bricks? To the weight of the counterweight? Drag the terms on the left to the appropriate blanks on the right to complete the sentence. Reset Help smaller than The tension in the rope is the greater than weight of the load of bricks and the weight of the counterweigh. A load of bricks with mass m1 = 17.0 kg hangs from one end of a rope that passes over a small, frictionless pulley. A counterweight of mass m2 = 31.0 kg is suspended from the other end of the rope, as shown in (Figure 1). The system is released from rest. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Two bodies with the same magnitude of acceleration. Part A Draw a free-body diagram for the load of bricks. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Part C What is the magnitude of the upward acceleration of the load of bricks? Express your answer with the appropriate units. Part D What is the tension in the rope while the load is moving? Express your answer with the appropriate units. Part E How does the tension compare to the weight of the load of bricks? To the weight of the counterweight? Drag the terms on the left to the appropriate blanks on the right to complete the sentence. Reset Help smaller than The tension in the rope is the greater than weight of the load of bricks and the weight of the counterweigh. A load of bricks with mass m1 = 17.0 kg hangs from one end of a rope that passes over a small, frictionless pulley. A counterweight of mass m2 = 31.0 kg is suspended from the other end of the rope, as shown in (Figure 1). The system is released from rest. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Two bodies with the same magnitude of acceleration. Part A Draw a free-body diagram for the load of bricks. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Part C What is the magnitude of the upward acceleration of the load of bricks? Express your answer with the appropriate units. Part D What is the tension in the rope while the load is moving? Express your answer with the appropriate units. Part E How does the tension compare to the weight of the load of bricks? To the weight of the counterweight? Drag the terms on the left to the appropriate blanks on the right to complete the sentence. Reset Help smaller than The tension in the rope is the greater than weight of the load of bricks and the weight of the counterweigh.

Solution
0 0