Part 1 and 2 A kid is testing wether is easier to push or pull her sister on asled. During the test he pushes and pulls his sister at the sameangle as shown in the picture below until she moves.Answer the following two questions given that:the friction force is f0.1 x Normal Forcethe mass of the sled and sister together is m =50 kgthe angle is 030° What is the force needed (in Newtons) to get the sled to movewhen the kid pushes?What is the force needed (in Newtons) to get the sled to movewhen the kid pulls?

Name: Part 1 and 2 A kid is testing wether is easier to push or pull her sis
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Description: Part 1 and 2 A kid is testing wether is easier to push or pull her sister on asled. During the test he pushes and pulls his sister at the sameangle as shown in the picture below until she moves.Answer the following two questions given that:the fricti

The given information is as follows, mass of the system is, m=50 kg angle, θ=30° The free-body…

Answered: What is the force needed (in Newtons)…

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What is the force needed (in Newtons) to get the sled to move when the kid pushes? What is the force needed (in Newtons) to get the sled to move when the kid pulls?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 63P: A bird has a mass of 26g and perches in the middle of a stretched telephone line. (a) Show that the...

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A runner pushes against the track, as shown. (a) Provide a free-body diagram showing all the forces on the runner. (Hint: Place all forces at the center of his body, and include his weight.) (b) Give a revised diagram showing the xy -component form. (credit: modification of work by “Greenwich Photography”/Flicke)
A bird has a mass of 26g and perches in the middle of a stretched telephone line. (a) Show that the tension in the line can be calculated using the equation T=mg2sin . Determine the tension when (b) =5 and (c) =0.5. Assume that each half of the Line is straight.
Common Forces A leg is suspended in a traction system, as shown below (a) Which pulley in the figure is used to calculate the force exerted on the foot? (b) What is the tension In the rope? Here T is the tension, wleg is the weight of the leg, and w is the weight of the load that provides the tension.
Check Your Understanding A car gas forces acting on it, as shown below. The mass of the car is 1000.0 kg. The rode is slick, so friction can be ignored. (a) What is the net force on the car? (b) What is the acceleration of the car?
The device shown below is the Atwood’s machine considered in Example 6.5. Assuming that the masses of the string and the frictionless pulley are negligible, (a) find an equation for the acceleration of the two blocks; (b) find an equation for the tension in the string; and (c) find both the acceleration and tension when block 1 has mass 2.00 kg and block 2 has mass 4.00 kg.
Two teenagers are pulling on ropes attached to a tree. The angle between the ropes is 30 . David pulls with a force of 400.0 N and Stephanie pulls with a force of 300.0 N. (a) Find the component form of the net force. (b) Find the magnitude of the resultant (net) force on the tree and the angle it makes with David’s rope.
A history book is lying on top of a physics book on a desk, as shown below a free-body diagram is also shown. The history and physics books weigh 14 N and 18 N, respectively. Identify each force on each book with a double subscript notation (for instance, the contact force of the history book pressing against physics book can be described as F HP), and determine the value of each of these forces, explaining the process used.
Two children pull a third child on a snow saucer sled exerting forces F1 and F2 as shown from above in Figure 4.36. Find the acceleration of the 49.00-kg sled and child system. Note that the direction of the frictional force is unspecified; it will be in the opposite direction of the sum of F1 and F2.
At a circus, a donkey pulls on a sled carrying a small clown with a force given by . A horse pulls on the same sled, aiding the hapless donkey, with a force of The mass of the sled is 575 kg. Using and from for the answer to each problem, find (a) the net force on the sled when the two animals act together, (b) the acceleration of the sled, and (c) the velocity after 6.50 s.
A powerful motorcycle can produce an acceleration of 3.50m/s2 while traveling at 90.0 km/h. At that speed, the forces resisting motion, including friction and air resistance, total 400.0 N. (Air resistance is analogous to air fiction. It always opposes the motion of an object.) What is the magnitude of the force that motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg?
What force is exerted on the tooth in Figure 4.38 if the tension in the wire is 25.0 N? Note that the force applied to the tooth is smaller than the tension in the wire, but this is necessitated by practical considerations of how force can be applied in the mouth. Explicitly show how you follow steps in the Problem-Solving Strategy for Newton's laws of motion. Figure 4.38 Braces are used to apply forces to teeth to realign them. Shown in this figure are the tensions applied by the wire to the protruding tooth. The total force applied to the tooth by the wire, Fapp, points straight toward the back of the mouth.
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