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Newton's Laws
  • 1. The reading on a car's speedometer measures:
A) time
B) velocity
C) instantaneous speed
D) average speed
E) motion
  • 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) 2 N
C) in the direction of the stronger push
D) 0 N
E) The sum of their masses in Newtons.
  • 3. What is the SI unit for acceleration?
A) m/s
B) N
C) kg
D) m/s2
E) ft/lb
  • 4. A person walks 60 meters in 80 seconds. What is their velocity?
A) 1.33 m/s
B) 140 N
C) 0.75 N
D) 0.75 m/s
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) 9 kg
B) 40 m/s2
C) 144 m/s
D) 9 m/s2
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/s
C) 6 m/s2
D) None of these is correct.
E) 6 kg
  • 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) 5600 N
B) 1400 kg
C) 1400 N
D) 1400 m/s
E) 5600 kg
  • 8. What type of friction must be overcome for an object to begin moving?
A) Kinetic
B) Sliding
C) Static
D) Potential
E) Rolling
  • 9. What is the momentum of a car with a mass of 1200 kg traveling at 30 m/s?
A) 36000 kg*m/s
B) None of these is correct
C) 40 kg*m/s
D) 1230 kg*m/s
E) 0.025 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 N
B) 96 N
C) 96 m/s
D) 150 kg
E) 96 kg
  • 11. Define inertia
A) the tendency of an object to resist changes in motion
B) a pull or push exerted on an object
C) the rate of change of an object's position
D) the sum of all forces acting on an object
E) physical movement or a change in position relative to a starting point
  • 12. Define force
A) a pull or push exerted on an object
B) any outside motion that parallels the direction being followed
C) an object at rest tends to stay at rest, an object in motion tends to stay in motion
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 sum of all forces acting on an object
B) the tendency of an object to resist changes in motion
C) a pull or push exerted on an object
D) the rate of change of an object's position
E) any outside motion that parallels the direction being followed
  • 14. Define Newton's 1st Law
A) the tendency of an object to resist changes in motion
B) colliding objects experience equal and opposite direction and velocity
C) an object at rest tends to stay at rest, an object in motion tends to stay in motion
D) force is equal to mass times acceleration
E) momentum is equal to mass times velocity
  • 15. Define motion
A) the tendency of an object to resist changes in motion
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) physical movement or a change in position relative to a starting point
E) the rate of change of an object's position
  • 16. Define displacement
A) any outside motion that parallels the direction being followed
B) physical movement or a change in position relative to a starting point
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 measure of how far an object has moved
  • 17. Define distance
A) the sum of all forces acting on an object
B) the measure of how far an object has moved
C) the net distance is always a positive integer
D) physical movement or a change in position relative to a starting point
E) any outside motion that parallels the direction being followed
  • 18. Define velocity
A) the rate of change of an object's position
B) the measure of how far an object has moved
C) the speed of an object and the direction of its motion
D) an object at rest tends to stay at rest, an object in motion tends to stay in 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 sum of all forces acting on an object
C) the rate of change of an object's position
D) the tendency of an object to resist changes in motion
E) the measure of how far an object has moved
  • 20. Define speed
A) a pull or push exerted on an object
B) physical movement or a change in position relative to a starting point
C) the tendency of an object to resist changes in motion
D) the rate of change of an object's position
E) the total distance an object travels divided by the total time of travel
  • 21. A car starts from rest and in 12 seconds is traveling 78 mph. What is its acceleration?
A) 936 m/s2
B) 6.5 mph/s
C) 936 mph
D) 468 mph/s
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) 280 m/s2
B) 70 m/ss
C) 1.4 m/s2
D) 140 m/s2
E) -1.4 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) 0 miles
B) 3.5 miles
C) 7.0 miles
D) 1.75 mph
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) 7 miles per hours
B) 1.75 miles per hour
C) 7 kilometers per hour
D) 1.75 kilometers per hour
E) 5.5 kilometers 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 8.5 hours
B) Approximately 7.3 hours
C) Approximately 4.2 hours
D) One entire day
E) Approximaltey 3.7 hours
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