acceleration rp

• What is looped around a pulley in the described experiment?

  The string
• What is attached to the toy car in the experiment setup?

  A piece of string
• What provides the force acting on the toy car?

  The weight of the mass
• What is used to mark equal intervals on the desk?

  Chalk lines
• How far apart are the chalk lines?

  Every 10 centimeters
• What causes the toy car to accelerate along the bench?

  Resultant force acting through the string
• What data needs to be recorded as the car passes each distance marker?

  The time
• Why is recording the experiment with a mobile phone suggested?

  To accurately record the times
• How is the force varied in the experiment?

  By decreasing the mass on the string
• If masses of 80, 60, 40, and 20 grams are used, what does this mean?

  The force is decreasing each time
• What does the object consist of in this experiment when investigating force?

  Toy car, string, and mass
• When varying the force, where is the mass transferred to?

  Onto the toy car
• Why is the mass transferred to the toy car?

  To keep the overall mass constant
• According to Newton's second law, what is acceleration proportional to?

  Force applied
• In this case, what represents the force in Newton's second law?

  Weight of the mass
• What should be observed about the acceleration of the toy car?

  Proportional to the mass on string
• When investigating mass, what is kept constant?

  The force
• What mass is used to keep the force constant?

  A 100 gram mass
• When investigating mass, what is attached to the toy car?

  An additional mass
• What is the relationship between acceleration and mass?

  Inversely proportional
• What should be observed about the acceleration as mass increases?

  Acceleration decreases
• What does the practical investigate about force and acceleration?

  Force affecting acceleration at constant mass
• What does the practical investigate about mass and acceleration?

  Mass affecting acceleration at constant force
• What law connects force, mass and acceleration?

  Newton's second law of motion