Does a force applied to an object always produce motion? What can you figure out about...
Does a force applied to an object always produce motion? What can you figure out about the forces on an object just by observing its motion?
If no forces are acting on a body, can the body be in motion? Explain.
Homework Answers
No, a force applied on any object is not necessarily produce motion . Suppose we apply a small force on a large wall, we cannot give any motion to that wall.
On observing any object in motion we can obserb that the net force on that object may be along direction of motion.
A/c to law of inertia , an object will remain in motion or in stationary state until of unless any sufficient external force act on it.
Hence if any body is already in motion will be in motion without applying any force.
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Does a force applied to an object always produce motion? What
can you figure out about...
The forces shown in the figure below are applied to an object. Find the third force that will produce a zero resultant force.
The forces shown in the figure below are applied to an object.
Find the third force that will produce a zero resultant force.
(Take the x-axis along the horizontal direction, and F = 55.1
lb.)
4. Consider a circular object that is free to rotate about its central axis. The object...
4. Consider a circular object that is free to rotate about its central axis. The object is sitting horizontally on ice, so that ction is negligible. (Think of a hockey rotating, or more precisely to change its rate of rotation? Is it a net force, which is the cause of changes in linear motion, or is it something else? puck.) An i is, what exactly causes such an object to start mportant ues ion The diagrams below show such an...
As shown in the figure below, seven forces all with magnitude |F| = 57 N are applied to an irregularly shaped object.
As shown in the figure below, seven forces all with magnitude |F| = 57 N are applied to an irregularly shaped object. Each force is applied at a different location on the object, indicated by the tail of the arrow; the directions of the forces differ. The distances shown in the diagram have these values: w=7m, h=16 m, and d=12 m.For each force, calculate the z component of the torque due to that force, relative to location A (x to...
Instructions: Answer the following questions on separate paper OR within the Word document or Libre office...
Instructions: Answer the following questions on separate paper OR within the Word document or Libre office by adding space in between the questions. 1. If the acceleration of a system is zero, are no external forces acting on it? What about internal forces? Explain your answers. 2. If a constant, nonzero force is applied to an object, what can you say about the velocity and acceleration of the object? 3. When you take off in a jet aircraft, there is...
1) Which term best describes an object's resistance to a change in motion A) Force B)...
1) Which term best describes an object's resistance to a change in motion A) Force B) Inertia C) Acceleration D) Resistance 2) Two skaters, Cathy and Mike, are standing on a frozen pond. Mike has twice the mass as Cathy. If Mike pushes to the left on Cathy, what can be said about the forces and accelerations on each person? A) Cathy experiences a force and acceleration to the left, while Mike experiences an equal force in the opposite direction....
Whenever you face a problem involving forces, always start with a free-body diagram.
Learning Goal: To gain practice drawing free-body diagramsWhenever you face a problem involving forces, always start with a free-body diagram.To draw a free-body diagram use the following steps:Isolate the object of interest. It is customary to represent the object of interest as a point in your diagram.Identify all the forces acting on the object and their directions. Do not include forces acting on other objects in the problem. Also, do not include quantities, such as velocities and accelerations, that do...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg? The powerful motorcycle, a chopper, in Problem...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that...
10: A powerful motorcycle can produce an acceleration of while traveling at 90.0 km/h. At that speed the forces resisting motion, including friction and air resistance, total 400 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg? The powerful motorcycle, a chopper, in Problem...
Are there any rules about forces and motion you can find out? What are they? Could...
Are there any rules about forces and motion you can find out? What are they? Could someone please help me with the above question. Thanks.
For an object in uniform circular motion, what can you say about the directions of the...
For an object in uniform circular motion, what can you say about the directions of the velocity, acceleration, and net force vectors? The velocity vector is perpendicular to the acceleration vector; the acceleration vector is parallel to the net force vector. The velocity vector is parallel to the acceleration vector; the acceleration vector is perpendicular to the net force vector. The velocity vector is perpendicular to the acceleration vector; the acceleration vector is perpendicular to the net force vector. The...
4. Consider a circular object that is free to rotate about its central axis. The object is sitting horizontally on ice, so that ction is negligible. (Think of a hockey rotating, or more precisely to change its rate of rotation? Is it a net force, which is the cause of changes in linear motion, or is it something else? puck.) An i is, what exactly causes such an object to start mportant ues ion The diagrams below show such an...
Instructions: Answer the following questions on separate paper OR within the Word document or Libre office by adding space in between the questions. 1. If the acceleration of a system is zero, are no external forces acting on it? What about internal forces? Explain your answers. 2. If a constant, nonzero force is applied to an object, what can you say about the velocity and acceleration of the object? 3. When you take off in a jet aircraft, there is...
1) Which term best describes an object's resistance to a change in motion A) Force B) Inertia C) Acceleration D) Resistance 2) Two skaters, Cathy and Mike, are standing on a frozen pond. Mike has twice the mass as Cathy. If Mike pushes to the left on Cathy, what can be said about the forces and accelerations on each person? A) Cathy experiences a force and acceleration to the left, while Mike experiences an equal force in the opposite direction....
Learning Goal: To gain practice drawing free-body diagramsWhenever you face a problem involving forces, always start with a free-body diagram.To draw a free-body diagram use the following steps:Isolate the object of interest. It is customary to represent the object of interest as a point in your diagram.Identify all the forces acting on the object and their directions. Do not include forces acting on other objects in the problem. Also, do not include quantities, such as velocities and accelerations, that do...
For an object in uniform circular motion, what can you say about the directions of the velocity, acceleration, and net force vectors? The velocity vector is perpendicular to the acceleration vector; the acceleration vector is parallel to the net force vector. The velocity vector is parallel to the acceleration vector; the acceleration vector is perpendicular to the net force vector. The velocity vector is perpendicular to the acceleration vector; the acceleration vector is perpendicular to the net force vector. The...
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