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Newton's Laws
  • 1. The reading on a car's speedometer measures:
A) velocity
B) average speed
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) 2 N
B) in the direction of the stronger push
C) Not enough information to answer the question.
D) 0 N
E) The sum of their masses in Newtons.
  • 3. What is the SI unit for acceleration?
A) ft/lb
B) m/s2
C) kg
D) N
E) m/s
  • 4. A person walks 60 meters in 80 seconds. What is their velocity?
A) 1.33 m/s
B) 0.75 N
C) 0.75 m/s
D) 140 N
E) None of these is correct.
  • 5. A runner reaches a speed of 36 m/s in 4 seconds. What is the runner's acceleration?
A) 40 m/s2
B) 9 m/s2
C) 144 m/s
D) 9 kg
E) 9 N
  • 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 N
B) 6 m/s2
C) 6 m/s
D) 6 kg
E) None of these is correct.
  • 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) 5600 kg
C) 5600 N
D) 1400 N
E) 1400 kg
  • 8. What type of friction must be overcome for an object to begin moving?
A) Kinetic
B) Static
C) Rolling
D) Sliding
E) Potential
  • 9. What is the momentum of a car with a mass of 1200 kg traveling at 30 m/s?
A) 40 kg*m/s
B) 0.025 kg*m/s
C) 1230 kg*m/s
D) None of these is correct
E) 36000 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) 150 kg
B) 96 m/s
C) 96 kg
D) 96 N
E) 150 N
  • 11. Define inertia
A) the sum of all forces acting on an object
B) a pull or push exerted on an object
C) the tendency of an object to resist changes in motion
D) physical movement or a change in position relative to a starting point
E) the rate of change of an object's position
  • 12. Define force
A) any outside motion that parallels the direction being followed
B) the rate of change of an object's position
C) a pull or push exerted on an object
D) an object at rest tends to stay at rest, an object in motion tends to stay in motion
E) the sum of all forces acting on an object
  • 13. Define net force
A) any outside motion that parallels the direction being followed
B) the tendency of an object to resist changes in motion
C) the sum of all forces acting on an object
D) the rate of change of an object's position
E) a pull or push exerted on an object
  • 14. Define Newton's 1st Law
A) momentum is equal to mass times velocity
B) an object at rest tends to stay at rest, an object in motion tends to stay in motion
C) colliding objects experience equal and opposite direction and velocity
D) the tendency of an object to resist changes in motion
E) force is equal to mass times acceleration
  • 15. Define motion
A) the rate of change of an object's position
B) an object at rest tends to stay at rest, an object in motion tends to stay in motion
C) physical movement or a change in position relative to a starting point
D) the tendency of an object to resist changes in motion
E) force is equal to mass times acceleration
  • 16. Define displacement
A) the measure of how far an object has moved
B) an object at rest tends to stay at rest, an object in motion tends to stay in motion
C) any outside motion that parallels the direction being followed
D) physical movement or a change in position relative to a starting point
E) a pull or push exerted on an object
  • 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 measure of how far an object has moved
E) the sum of all forces acting on an object
  • 18. Define velocity
A) the measure of how far an object has moved
B) the rate of change of an object's position
C) an object at rest tends to stay at rest, an object in motion tends to stay in motion
D) the speed of an object and the direction of its motion
E) a pull or push exerted on an object
  • 19. Define acceleration
A) the rate of change of the velocity of an object
B) the measure of how far an object has moved
C) the rate of change of an object's position
D) the sum of all forces acting on an object
E) the tendency of an object to resist changes in motion
  • 20. Define speed
A) the tendency of an object to resist changes in motion
B) a pull or push exerted on an object
C) physical movement or a change in position relative to a starting point
D) the total distance an object travels divided by the total time of travel
E) the rate of change of an object's position
  • 21. A car starts from rest and in 12 seconds is traveling 78 mph. What is its acceleration?
A) 936 m/s2
B) 468 mph/s
C) 6.5 mph/s
D) 936 mph
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) 140 m/s2
B) -1.4 m/s2
C) 280 m/s2
D) 1.4 m/s2
E) 70 m/ss
  • 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) 1.75 mph
D) 0 miles
E) 7.0 miles
  • 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) 5.5 kilometers per hour
B) 7 miles per hours
C) 1.75 kilometers per hour
D) 7 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) Approximaltey 3.7 hours
B) Approximately 4.2 hours
C) Approximately 7.3 hours
D) Approximately 8.5 hours
E) One entire day
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