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Newton's Laws
  • 1. The reading on a car's speedometer measures:
A) average speed
B) velocity
C) motion
D) instantaneous speed
E) time
  • 2. If two people push on an object with equal force on opposite sides, what is the net force?
A) Not enough information to answer the question.
B) 0 N
C) The sum of their masses in Newtons.
D) 2 N
E) in the direction of the stronger push
  • 3. What is the SI unit for acceleration?
A) kg
B) m/s2
C) ft/lb
D) N
E) m/s
  • 4. A person walks 60 meters in 80 seconds. What is their velocity?
A) None of these is correct.
B) 140 N
C) 1.33 m/s
D) 0.75 m/s
E) 0.75 N
  • 5. A runner reaches a speed of 36 m/s in 4 seconds. What is the runner's acceleration?
A) 9 N
B) 40 m/s2
C) 9 kg
D) 9 m/s2
E) 144 m/s
  • 6. If you push an object that has a mass of 3 kg, and the net force acting on the object is 18 N, what is the object's acceleration?
A) 6 m/s2
B) 6 kg
C) None of these is correct.
D) 6 m/s
E) 6 N
  • 7. A boat is being pulled by a truck that has an acceleration of 2 m/s2. What is the mass of the boat if the net force on the car is 2800 N?
A) 1400 m/s
B) 1400 kg
C) 5600 N
D) 1400 N
E) 5600 kg
  • 8. What type of friction must be overcome for an object to begin moving?
A) Kinetic
B) Potential
C) Sliding
D) Rolling
E) Static
  • 9. What is the momentum of a car with a mass of 1200 kg traveling at 30 m/s?
A) None of these is correct
B) 36000 kg*m/s
C) 40 kg*m/s
D) 0.025 kg*m/s
E) 1230 kg*m/s
  • 10. What is the mass of a person walking at 0.8 m/s if that person's momentum is 120 kg*m/s?
A) 96 m/s
B) 150 kg
C) 96 kg
D) 96 N
E) 150 N
  • 11. Define inertia
A) physical movement or a change in position relative to a starting point
B) a pull or push exerted on an object
C) the tendency of an object to resist changes in motion
D) the rate of change of an object's position
E) the sum of all forces acting on an object
  • 12. Define force
A) an object at rest tends to stay at rest, an object in motion tends to stay in motion
B) any outside motion that parallels the direction being followed
C) a pull or push exerted on an object
D) the sum of all forces acting on an object
E) the rate of change of an object's position
  • 13. Define net force
A) the rate of change of an object's position
B) the sum of all forces acting on an object
C) a pull or push exerted on an object
D) the tendency of an object to resist changes in motion
E) any outside motion that parallels the direction being followed
  • 14. Define Newton's 1st Law
A) force is equal to mass times acceleration
B) momentum is equal to mass times velocity
C) an object at rest tends to stay at rest, an object in motion tends to stay in motion
D) the tendency of an object to resist changes in motion
E) colliding objects experience equal and opposite direction and velocity
  • 15. Define motion
A) physical movement or a change in position relative to a starting point
B) force is equal to mass times acceleration
C) an object at rest tends to stay at rest, an object in motion tends to stay in motion
D) the tendency of an object to resist changes in motion
E) the rate of change of an object's position
  • 16. Define displacement
A) any outside motion that parallels the direction being followed
B) the measure of how far an object has moved
C) an object at rest tends to stay at rest, an object in motion tends to stay in motion
D) a pull or push exerted on an object
E) physical movement or a change in position relative to a starting point
  • 17. Define distance
A) physical movement or a change in position relative to a starting point
B) the net distance is always a positive integer
C) any outside motion that parallels the direction being followed
D) the sum of all forces acting on an object
E) the measure of how far an object has moved
  • 18. Define velocity
A) an object at rest tends to stay at rest, an object in motion tends to stay in motion
B) the rate of change of an object's position
C) the speed of an object and the direction of its motion
D) the measure of how far an object has moved
E) a pull or push exerted on an object
  • 19. Define acceleration
A) the measure of how far an object has moved
B) the rate of change of the velocity of an object
C) the tendency of an object to resist changes in motion
D) the rate of change of an object's position
E) the sum of all forces acting on an object
  • 20. Define speed
A) the rate of change of an object's position
B) the total distance an object travels divided by the total time of travel
C) a pull or push exerted on an object
D) the tendency of an object to resist changes in motion
E) physical movement or a change in position relative to a starting point
  • 21. A car starts from rest and in 12 seconds is traveling 78 mph. What is its acceleration?
A) 6.5 mph/s
B) 936 mph
C) 468 mph/s
D) 936 m/s2
E) 6.5 m/s2
  • 22. A little old man is in a car traveling 20 m/s. He sees an alien and slams on the brakes. The car comes to a stop in 14 seconds. What is his rate of deceleration?
A) -1.4 m/s2
B) 1.4 m/s2
C) 70 m/ss
D) 140 m/s2
E) 280 m/s2
  • 23. It takes a little old lady 2 hours to drive 3.5 miles from her driveway to Eastridge Mall and then return home. What was her total dispalcement?
A) 7.0 miles
B) 3.5 miles
C) -7.0 miles
D) 0 miles
E) 1.75 mph
  • 24. It takes a little old lady 2 hours to drive 3.5 kilometers from her driveway to Eastridge Mall and then return home. What was her average speed?
A) 1.75 kilometers per hour
B) 7 kilometers per hour
C) 7 miles per hours
D) 5.5 kilometers per hour
E) 1.75 miles per hour
  • 25. If you drive 65 miles an hour to Billings, 275 miles, and the same speed driving back, how long will it take you to get there and back?
A) Approximately 4.2 hours
B) Approximately 7.3 hours
C) Approximaltey 3.7 hours
D) One entire day
E) Approximately 8.5 hours
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