Based on the third law motion of equal and opposite forces, a mass should never accelerate because the net force on it will always be zero. Resolve the issue. would F=ma answer this question? If a force is exerted by

70,405 results
  1. Science

    𝟙.) Which term describes how far an object has traveled from its original location? 🅰🅽🆂🆆🅴🆁: displacement 𝟚.) What would the position-time graph look like for an object that remains still over time? 🅰🅽🆂🆆🅴🆁: a

  2. Science

    1. The line on the graph below represents an object that is: A: Moving at a constant speed B: Increasing its speed C: Decreasing it's speed D: Not moving at all 2. To determine the acceleration of an object moving in a straight line, you must calculate the

  3. science

    1. What is the magnitude of a force? the motion of the force the motion of the force A. the motion of the force B. the amount of force C. the type of force D. the direction of the force 2. Two people push a box from opposite directions, but the box does

  4. Physics

    Please Help ! A child throws a snowball at a tree and it sticks to the tree. Does this motion defy the Law of Conservation of Momentum? Explain. The Law of Conservation of Energy states: "If there is no net force acting on a system of objects, the total

  5. physics

    a strong magnet attracts a paper clip to itself with a certain force. Does the paper clip exert a force on the strong magnet? If so, why not? If so, does it exert as much force on the magnet as the magnet exerts on it? Newtons Third Law: Forces are always

  6. Physics (Conservation of momentum)

    1. Which of Newton’s laws of motion states that an object at rest stays at rest and an object in motion stays in motion with the same speed and the same direction unless acted upon by an unbalanced force? A. Newton's Third Law of Motion B. Newton's

  7. Science

    Kepler's Second Law Quick Check. Hello! if you want to check your answers here is a guide to compare your answers. Please keep in mind answers may vary from school. 1. Which does Kepler’s second law state about planetary motion? A. A line between the

  8. physics (work posted)

    For a body to be in equilibrium under the combined action of several forces. a) all the forces must be applied at the same point b) all of the forces form pairs of equal and opposite forces c) the sum of the components of all the forces in any direction

  9. science

    What are Newton's Laws of Motion? Isaac Newton was an English physicist and mathematician. His Laws of Motion introduce us to physics. Physics is the study of how matter behaves and moves. Matter is physical substance. It is anything that has mass and

  10. physics

    When the mover pushes the box, two equal forces result. Explain why the box moves even though the forces are equal and opposite

  11. physics

    A newly-discovered plant, "Cosmo", has a mass that is 4 times the mass of the Earth. The radius of the Earth is Re. The gravitational field strength at the surface of Cosmo is equal to that at the surface of the Earth if the radius of Cosmo is equal to...

  12. Physics

    Need serious help!! 1. How can the momentum of a moving object be found? A. By multiplying its mass by its acceleration. B. By dividing its change in distance trabeled by the time it travels. C. By dividing its velocity bu the time it travels. D. By

  13. Physical Science 8th Grade

    1. What is the resulting direction of a surface wave? Is it perpendicular, parallel, opposite, or circular? 2. What happens when a mechanical wave travels through a medium? What is transferred - mass, particles, energy, or waves? 3. Which of these waves

  14. science

    when a truck pulls a trailer, the trailer and truck accelerate forward even though the action and reaction forces are the same size but are in opposite directions. why don't these forces balance each other out

  15. Physics

    Ok work... work = net force parallel to displacement lets say something was pushed up a ramp at a constant velocity and you were asked how much work was done by pushing the block well the forces parellel to the displacement is the x component of gravity

  16. science

    1.A ball bounces on the ground. How do the ball and the ground act on each other? The ball and the ground exert forces on each other with equal magnitude but in opposite directions. The ball exerts a stronger force than the ground and in the opposite

  17. science

    (4)_____ was a physicist who developed the Three Laws of Motion. (5)_____ states that ”the (6)_____ of an object is equal to the (7)_____ on an object divided by the mass of the object”. For example, this means that an object with a greater mass

  18. Science

    According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail to push it into a piece of wood, the nail (1 point) 1. creates a friction with the hammer. 2. exerts an equal force on the wood. 3. exerts an equal and opposite

  19. Science

    two people pish a box from the oppisite directions, but the box does not move. Which statement best explains this result? (A) the box pushes back on the people. (B) balanced forces do not cause motion (C) Push forces do not cause motion (D) the forces have

  20. Physics

    Which law gives the force between two objects that is related to their mass and distance? Kepler's law Coulomb's law Newton's second law of motion Newton's law of gravitation*****

  21. SCIENCE

    1. How does mass and acceleration affect force? (What happens to force if mass increases? What happens to force if acceleration increases? ) 2. What is the equation for Newton’s 2nd Law of motion? 3. How do you calculate mass using Newton’s 2nd Law?

  22. Physics

    A block of wood is compressed 2.0 nm when inward forces of magnitude 120N are applied to it on two opposite sides. (a) Assuming Hooke's law holds, what is the effective spring constant of the block? (b) Assuming Hooke's las still holds, how much is the

  23. science

    I need some one to check my work. plz:) What is the force required to accelerate 1 kilogram of mass at 1 meter per second per second. 1 pound 1 kilometer 1 gram 1 newton*** Mass and _____ affect the gravitational attraction between objects. air resistance

  24. Science

    1. Which of the following statements about Newton's Third Law is the most true? a The forces acting upon two objects are dependent on the initial velocities of the objects b The law of conservation of momentum is obeyed in all systems c The two objects

  25. science

    The main idea of the article is that Newton's Three Laws of Motion teach us important rules about physics. Which key detail supports the main idea? A Isaac Newton was an English physicist and mathematician. B Physics is the study of how matter behaves and

  26. physics

    a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

  27. Physics

    a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate

  28. Physics

    A tractor pulls forward a moving plow with a force of 2.5*10^4N, which is just large enough to overcome friction. A) what are the action, reaction forces between the tractor and the plow B) Are these reaction, action forces equal in magnitude and opposite

  29. Physics **HELP PLS**

    1. In boxing, fighters wear padded gloves to protect their hands. Which statement explains why a fighter’s hands need protection? A. There is an equal and opposite velocity impact the hand. B. There is an equal and opposite acceleration impact the hand.

  30. physics

    a mass sits at rest on top of a table. which two forces are action-reaction pair forces and thus are equal and opposite?

  31. Physics

    1. How can the momentum of a moving object be found? A. By multiplying its mass by its acceleration. B. By dividing its change in distance trabeled by the time it travels. C. By dividing its velocity bu the time it travels. D. By multiplying its mass by

  32. PHYSICS

    Two equal forces applied to a rotating rod, one very close to the axis and one far from the axis. Which force produces the largest torque? a. the one closest to the axis b. the one furthest from the axis How would you kick a football so that id did not

  33. physics

    Suppose that the attraction between the moon and the earth were due to Coulomb forces rather than gravitational force. What would be the magnitude of the charge required if equal but opposite charges resided on both earth and moon? Mass of earth =

  34. Physics Homework

    Could you please check my answers? Thanks! 1. You push a heavy car by hand. The car, in turn, pushes back with an opposite but equal force on you. Doesn’t this mean the forces cancel one another, making acceleration impossible? Why or why not? -No,

  35. Physics Homework

    1. You push a heavy car by hand. The car, in turn, pushes back with an opposite but equal force on you. Doesn’t this mean the forces cancel one another, making acceleration impossible? Why or why not? -No, because of the system that is involved. The

  36. physics

    Use a free body diagram to evaluate the situation. What is the tension in each of the ropes attached to the ceiling if the hanging mass is 0.55 kg? Two ropes are attached to the ceiling carrying the same box. One is tilted at a 30 degree angle and the

  37. Physics please help!!

    A mass M is initially at rest on a horizontal surface, μs=0.30 and μk=0.20 . A horizontal string then pulls M with a tension T. Forces below are magnitudes. Indicate if each statement is correct or incorrect If M does not accelerate, then T ≤ μsN M

  38. science

    if the force which propels the cannonball forward is 500 n, how much force will move the cannon backward? I assume -500n because forward is the opposite of backward, and 500n is the opposite of -500n. Forces occur in equal and opposite pairs.

  39. 8th grade

    When a truck pulls a trailer, the trailer and truck accelerate forward even though the action and reaction forces are the same size but are going in opposite directions. Why don't these forces balance each other out?

  40. physics

    A 1460-kg car is being driven up a 10.0 ° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of 497 N. A force F is applied to the car by the road and propels the car forward. In addition to these two forces, two

  41. Physics

    Two colliding objects exert equal and opposite forces on each other (Newton's Third Law). However, acceleration experienced by an object is inversely related to its mass: the smaller the mass, the larger the acceleration for a given force (pp. 49-50).

  42. Science

    10. __________ is a law which states that for every action, an equal and opposite reaction results. Newton’s first law of motion Newton’s third law of motion Bernoulli’s principle Newton’s second law of motion It is the Third Law Right?

  43. science i need help please

    1. What is the equation for speed? * 1 point A d=s/t B s=d * t C s= d/t D t= s/d 2. Acceleration refers to: * 1 point A. speeding up B. slowing down C. changing direction D. All of the above 3. Your family is driving to the beach. You travel 200 kilometers

  44. science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT?

  45. science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT?

  46. science

    Question: Fill in the blank. If two forces work in opposite directions of an object, the ________ between the two forces equal the net force. Answer Choices: A)Difference B)Similarity C)Equality

  47. Math

    Use sine law to explain why the 2 equal sides of an isoceles triangle must be opposite the two equal angles

  48. Science

    The H-R diagram can be a plot of what? A. luminosity versus mass B. absolute magnitude versus spectral type C. color index versus spectral type D. size verses mass E. temperature verses density information on forces and motion information on forces and

  49. Physics

    I got a few questions that I need to be checked please? Why does a brick weigh 1 kilogram. Explain. -Would it be cause there are not other forces acting on it that's why it weighs 1 kilogram? Why do lurch foward when a bus slows down? What law is this? -Is

  50. Science

    Can you plz check asp 1. Suppose the total momentum of two masses before a collision is 100 kg m/s. What is the total momentum of the two masses after they collide? (1 point) 0 kg m/s 50 kg m/s 100 kg m/s 200 kg m/s 2. What is the momentum of a 20.0 kg

  51. Physics

    Each of the following statements has 1, 2, or 3 conceptual flaws. Explain what is wrong with each sentence (I just need help finding a website for this) 1. A rocket moves through space because the exhaust from the rocket's engine pushes against the

  52. Physics

    Newton's first law of motion is often stated as: An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force . Based on Newton’s 1st Law describe a

  53. Physics

    Hello everyone I know that when a force is applied it has to exert a force opossite But this really is not in my head can someone please give me an evidence or even a diagram showing how can we exert an opposite force if we are walking forwards Thanks alot

  54. Physics

    A bike is hanging from a hook in a garage. You need to consider the following forces. (a) The force of the Earth pulling down on the bike. (b) The force of the bike pulling up on the Earth. (c) The force of the hook pulling up on the bike. (d) The force of

  55. Newton's Laws

    1. An 1760 kg car is moving to the right at a constant velocity of 2.94 m/s. (a) What is the net force on the car? (b) What would be the net force on the car if it were moving to the left? 2.A freight train has a mass of 6 107 kg. If the locomotive can

  56. math

    an object accelerates only if the forces acting on it in one drection are greater than the forces in the opposite direction, all of the following objects will accelerate except

  57. science

    7) - An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the

  58. science

    7) - An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the

  59. science

    an object accelerates (cahnges its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT a) a ball striking a wall, in which the force of the ball

  60. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the folloeing objects will accelerate EXCEPT a)a ball striking a wall, in which the force of the ball

  61. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the folloeing objects will accelerate EXCEPT a)a ball striking a wall, in which the force of the ball

  62. Physics-

    How can anything accelerate if every force has and equal and opposite counterpart?

  63. Physics

    When you drop a 0.27-kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s2 toward Earth's surface. According to Newton's third law, the apple must exert an equal and opposite reaction force on Earth. If the mass of Earth is 5.98 1024 kg,

  64. Physics please help!!

    A mass M is initially at rest on a horizontal surface, μs=0.30 and μk=0.20 . A horizontal string then pulls M with a tension T. Forces below are magnitudes. Indicate if each statement is correct or incorrect If M does not accelerate, then T ≤ μsN M

  65. physics

    A condition for mechanical equilibrium is that the sum of the forces acting equal zero. Another condition is that the sum of the _____A) centrifugal forces also equal zero B) centers of gravity balance.C) torques equal zero.D) rotational inertias equal

  66. Physics

    Note: the question with stars next to it is my choice. (Image) Car A. - mass: 10 kg, 8 m/s Car B - mass: 10kg 2 m/s 1. The total momentum of the two cars before a collision is 100 kg m/s A - 0 kg m/s B - 50 kg m/s C - 100 kg m/s D - 200 kg m/s**** 2. What

  67. Physics-Please check

    Do charged particles always experience equal but opposite electrical forces? My answer is The electric forces are directly porportional to the quantity of the charge on the objects. Is that correct-we just started learning this and I'm trying to answer

  68. Science : Physics

    Will an object accelerate if the forces are balanced? Why or why not? I know that the answer is that it will not accelerate but I'm having a difficult time explaining why.

  69. physics

    A 1100-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 518 N. A force is applied to the car by the road and propels the car forward. In addition to these two forces, two

  70. physics

    A 1200 kg car is being driven up a 5:0 hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 524 N. A force ~F is applied to the car by the road and propels the car forward. In addition to these two forces, two

  71. physics

    A 1200 kg car is being driven up a 5:0 hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 524 N. A force ~F is applied to the car by the road and propels the car forward. In addition to these two forces, two

  72. physics

    A 1310-kg car is being driven up a 9.12 ° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of 541 N. A force F is applied to the car by the road and propels the car forward. In addition to these two forces, two

  73. physics

    Based on the third law motion of equal and opposite forces, a mass should never accelerate because the net force on it will always be zero. Resolve the issue. would F=ma answer this question? If a force is exerted by object A on object B, then B exerts a

  74. physics

    a) You are sitting at the center of the back seat of a car without seat belts and friction is low. The car suddenly makses a right turn. Describe what happens to you. WHich of Newton's laws is applicable? The car would be goind straight before the turn so

  75. SCIENCE

    For my science project i have to choose a sport and list five carefully thoughtout ways that Newton's three Laws of Motion are involed in the game i selected. The sport i have selected is tennis. i have 3 ways already but i am missing 2 more. Here are the

  76. Science

    I have a science question that I don't quite understand. Would you have to to have physical contact to exert a force? Not necessarily. Could we blow very hard and exert a force on something? When I was a kid I liked to make paper pin wheels and blow on

  77. Physics

    A bike is hanging from a hook in a garage. You need to consider the following forces. (a) The force of the Earth pulling down on the bike. (b) The force of the bike pulling up on the Earth. (c) The force of the hook pulling up on the bike. (d) The force of

  78. Newton's Laws

    1. An 1760 kg car is moving to the right at a constant velocity of 2.94 m/s. (a) What is the net force on the car? (b) What would be the net force on the car if it were moving to the left? 2.A freight train has a mass of 6 107 kg. If the locomotive can

  79. physics

    A bike is hanging from a hook in a garage. Consider the following forces. (a) The force of the Earth pulling down on the bike. (b) The force of the bike pulling up on the Earth. (c) The force of the hook pulling up on the bike. (d) The force of the hook

  80. science

    15. Rowing a boat and a rocket taking off into space are examples of which law of motion? * A law of gravitational force*** B law of inertia C Newton's 2nd law of Motion D Newton's 3rd law of motion

  81. havelock high

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball

  82. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball

  83. science

    when a truck pulls a trailer the trailer and truck accelerate forward even though the action and reaction forces are the same size but in opposite direction why don't these forces balance each other out

  84. physics

    If only external forces can cause the center of mass of a system of particles to accelerate, how can a car on level ground ever accelerate? We normally think of the car’s engine as supplying the force needed to accelerate the car, but is this true? Where

  85. physics question

    I have a question about a problem regarding Newton's third law. a. An iron rod is held up by a magnet. The magnet is held up by a string (from a ceiling, let's say). Draw a free-body diagram for the magnet and a separate free-body diagram for the iron rod.

  86. physics

    A block of mass 7.33 kg in outerspace is moving at 1.72 m/s with no external forces acting on it. After an explosion, the block is split into two parts both having mass equal to half the mass of the original block. The explosion supplies the two masses

  87. HELP

    How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers

  88. physics

    A fundamental law of motion states that the acceleration of an object is directly proportional to the resultant force exerted on the object and inversely proportional to the mass.if the proportionality constant has no dimensions, determine the dimensions

  89. Science

    Explain the law of motion needed to solve this problem and then solve it. On Planet Zorg a 30 kg barbell can be lifted by only exerting a force of 180 N. What is the acceleration of gravity on Planet Zorg? Predict how the motion of this object would change

  90. physics

    A 1200 kg car is being driven up a 5:0 hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 524 N. A force ~F is applied to the car by the road and propels the car forward. In addition to these two forces, two

  91. College physics

    According to Newton's Third Law, for every action there is an equal an opposite reaction. If the current on the wire is such so that the magnetic force on the wire points upward, what must be true? 1. There is no force on the magnet. All forces act on the

  92. Physics

    CAN SOMEONE PLEASE HELP ME; I NEED TO KNOW IF MY ANSWERS TO THESE QUESTIONS ARE CORRECT! THANK YOU SO MUCH!! 1.) Whenever an interaction occurs in a system forces occur in equal and opposite pairs. Which of the following do not always occur in equal and

  93. physical science

    when items float freely inside a space capsule, is it an example of Newton's law #1 or #3? As soon as the astronauts take off their helmets and gloves (after lift-off) in Apollo 13, the gloves float away. So is that an object in motion tends to stay in

  94. physics

    A horse pulls upon a wagon, but according to Newton’s third law the wagon pulls back with an equal and opposite force upon the horse. Use a free-body diagram and show all the involved forces. i posted this question before but i still don't get it. Could

  95. science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball

  96. science

    an object accelerates (cahnges its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT a) a ball striking a wall, in which the force of the ball

  97. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the folloeing objects will accelerate EXCEPT a)a ball striking a wall, in which the force of the ball

  98. science

    When a truck pulls a trailer, the trailer and truck accelerate forward even though the action and reaction forces are the same size but are in opposite directions. Why don’t these forces balance each other?

  99. physics

    Which Law of Motion explains the action-reaction pair of forces. The first, second or third?

  100. 8th grade science

    When forces are ______ they are equal and opposite and their is ________ ___________.

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