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AP Physics 1 Momentum, Impulse and Collisions — practice questions — page 2

Explore 109 free Momentum, Impulse and Collisions questions in AP Physics 1 Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Momentum, Impulse and Collisions questions and exercises with answers

Showing questions 31–60 of 109.

On the Moon, where g is 1.625 m/s squared, a 1.0 kg mass weighs about:Read the answer and worked solution →A net force of 51 N pushes a 24 kg lawn mower. Its acceleration is about:Read the answer and worked solution →Whenever one body exerts a force on a second, the first experiences an equal and opposite force. This is Newton's:Read the answer and worked solution →A swimmer pushes on the pool wall and accelerates away. The two equal and opposite forces do not cancel because they act on:Read the answer and worked solution →A rocket moves forward because expelled gas exerts a forward reaction force called:Read the answer and worked solution →The support force perpendicular to a surface of contact is called the:Read the answer and worked solution →On a frictionless incline at angle theta, the acceleration of any mass is:Read the answer and worked solution →A 5.00 kg mass hangs at rest from a rope. The tension in the rope is:Read the answer and worked solution →A 70 kg tightrope walker makes a wire sag by 5 degrees. The tension in the wire is about:Read the answer and worked solution →Forces that appear only because an observer is in an accelerating frame of reference are:Read the answer and worked solution →Earth's rotation is slow enough that Earth is nearly a:Read the answer and worked solution →Catch the contact forcesRead the answer and worked solution →Pop the third law examplesRead the answer and worked solution →Run Newton's lawsRead the answer and worked solution →Slice the dynamics wordsRead the answer and worked solution →Mass or weightRead the answer and worked solution →Sort the three lawsRead the answer and worked solution →Type the numberRead the answer and worked solution →Newton's laws bingoRead the answer and worked solution →The study of motion without considering its causes is:Read the answer and worked solution →To describe the position of a passenger walking inside an airplane, the most convenient reference frame is:Read the answer and worked solution →Displacement is defined as the change in an object's:Read the answer and worked solution →The SI unit for displacement is the:Read the answer and worked solution →A professor moves from x = 1.5 m to x = 3.5 m. Her displacement is:Read the answer and worked solution →A professor paces 150 m during a lecture but ends 2.0 m right of her start. Her distance traveled is:Read the answer and worked solution →A cyclist rides 3 km west then 2 km east. The magnitude of the displacement is:Read the answer and worked solution →A quantity with both magnitude and direction, such as a velocity of 90 km/h east, is a:Read the answer and worked solution →A 20 degree temperature, a 1.8 m height and a 2.0 m distance are all:Read the answer and worked solution →Which quantity is never represented by an arrow?Read the answer and worked solution →Once you assign a positive direction in a problem, you:Read the answer and worked solution →

Worked practice questions

On the Moon, where g is 1.625 m/s squared, a 1.0 kg mass weighs about:

  1. 17 N
  2. 1.7 N
  3. 9.8 N
  4. 0.17 N
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Correct answer: B. 1.7 N

1. Weight depends on local gravity. 2. The Moon's weaker gravity gives about 1.7 N. 3. Mass stays 1.0 kg everywhere. _Source: OpenStax College Physics for AP Courses 2e, Chapter 4, Dynamics: Force and Newton's Laws of Motion (CC BY 4.0)._

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A net force of 51 N pushes a 24 kg lawn mower. Its acceleration is about:

  1. 4.2 m/s squared
  2. 51 m/s squared
  3. 2.1 m/s squared
  4. 0.5 m/s squared
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Correct answer: C. 2.1 m/s squared

1. Acceleration equals net force over mass. 2. 51 divided by 24 gives about 2.1. 3. The direction matches the net force. _Source: OpenStax College Physics for AP Courses 2e, Chapter 4, Dynamics: Force and Newton's Laws of Motion (CC BY 4.0)._

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Whenever one body exerts a force on a second, the first experiences an equal and opposite force. This is Newton's:

  1. First law
  2. Second law
  3. Gravity law
  4. Third law
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Correct answer: D. Third law

1. Forces always occur in pairs. 2. This is the third law. 3. It is loosely called action-reaction. _Source: OpenStax College Physics for AP Courses 2e, Chapter 4, Dynamics: Force and Newton's Laws of Motion (CC BY 4.0)._

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