Lab: Newton's Laws of Motion Answers

mass of the carcar hitting a barriernumber of washers

kilogramsmeters per secondmeters per second squarednewtons

What is the average velocity of the car over the first 0.25m? [___] m/s

The acceleration of the car with the data in the table above would be[___]m/s2.

ABC

9.8 kg0.49 kg0.0098 kg

The average time that it takes for the car to travel the first 0.25m is [___] s.

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

The acceleration due to gravity for any object, including 1 washer on the string, is always assumed to be [___] m/s2.

velocity of the washermass of the washermass of the car

kilogramsmeters per secondmeters per second squarednewtons

What is the average velocity of the car over the second 0.25m? [___] m/s

If the applied force were cut in half, what do you predict the acceleration would be?[___]m/s2

ABC

98 N0.196 N0.0049 N

The average time to travel just between 0.25 m and 0.50 m is [___] s.

The mass of 3 washers, when converted to kg, is [___] kg.

mass of the carforce applied to the carangle of the track

kilogramsmeters per secondmeters per second squarednewtons

ABC

Given the time taken to travel the second 0.25 m section, the velocity would be [___] m/s.

The applied force of 3 washers will increase the applied force on the car to [___] N.

acceleration of the carnumber of washersmass of the car

kilogramsmeters per secondmeters per second squarednewtons

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.

doublequadruplebe cut in halfremain unchanged

doublequadruplebe cut in halfremain unchanged

increasedecreaseremain unchanged