Lab: Newton's Laws of Motion Answers

Consider the relationship of the variables in Newton’s second law. In a drag car race, the force applied to the car is doubled by the driver stepping on the gas pedal.

If you know the force applied to an object and measure its acceleration, which equation would you use to calculate the object’s mass?

Consider the relationship of the variables in Newton’s second law. In a drag car race, the force applied to the car is doubled by the driver stepping on the gas pedal.

velocity of the washermass of the washermass of the car

doublequadruplebe cut in half✔ remain unchanged

mass of the carforce applied to the carangle of the track

✔ increasedecreaseremain unchanged

acceleration of the carnumber of washersmass of the car

mass of the carcar hitting a barriernumber of washers

✔ velocity of the washermass of the washermass of the car

mass of the car✔ force applied to the carangle of the track

✔ acceleration of the carnumber of washersmass of the car

Different measurements are expressed in different units. Choose the correct SI units for the following types of measurement.

kilogramsmeters per second✔ meters per second squarednewtons

kilogramsmeters per secondmeters per second squared✔ newtons

✔ kilogramsmeters per secondmeters per second squarednewtons

⇒ 0.11

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A✔ BC

✔ ABC

AB✔ C

Use what you know about mass and how you use it to calculate force in the following situation.

98 N✔ 0.196 N0.0049 N

Calculate the average travel time for each distance, and then use the results to calculate.

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⇒ 10

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⇒ 0.33

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