Forces Review Question Preview (ID: 54298)
Review Of Forces Unit.
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Which of the following investigations best supports Newton's 3rd law of motion?
a) Investigation #1
b) Investigation #2
c) Investigation #3
d) Investigation #4
Which of the following would be the best graph to represent the relationship between the mass of two objects and the gravitational attraction between them?
a) Graph A
b) Graph B
c) Graph C
d) Graph D
On average, students in middle school ran 1 mile in approximately 10 minutes. What is the average speed of students in middle school running a mile?
a) 1 mph
b) 10 mph
c) 0.1 mpm
d) 1 mpm
Which of the following accurately predicts the fastest moving box and it's resulting direction?
a) Model 1 to the south
b) Model 2 to the west
c) Model 3 to the south
d) Model 4 to the east
Which of the following best explains why the fatality rate increases when belt use rate decreases?
a) Inertia causes a passenger in a car to stop with a seat belt even though the car stops.
b) Inertia causes a passenger in a car to continue to move side to side with a seat belt even though the car stops.
c) Inertia causes a passenger in a car to continue to move backward with a seat belt even though the car stops.
d) Inertia causes a passenger in a car to continue to move forward without a seat belt even though the car stops.
Which of the following correctly identifies the average speed and motion of this car?
a) 15 km/hr decelerating with a positive velocity
b) 75 km/hr accelerating with a negative velocity
c) 15 m/s decelerating with a negative velocity
d) 5 m/s accelerating with a positive velocity
Which of the following would be the best controlled scientific investigation to determine how the amount of force on an object affects its speed?
a) Push various objects with different masses at least three times and measure its average speed.
b) Push an object of the same mass with different amounts of force at least three times and measure its average speed.
c) Push various objects with different amounts of force and measure there average speed.
d) Push an object with the same force with different amounts of mass and calculate its average speed.
Which statement most accurately describes the motion of the car in this graph?
a) The car is increasing in speed, stops and then returns home at a slower constant speed.
b) The car is traveling at a constant speed, stops and then continues at a faster constant speed.
c) The car is increasing in speed, stops and then returns home at a faster speed.
d) The car is traveling at a constant speed, stops and then returns home at a faster constant speed.
The student wants to be able to increase the speed of the bike while applying the same amount of force. Which statement describes the best long-term solution to this problem?
a) Switch to thinner tires to increase friction
b) Remove unneeded bike parts to reduce mass
c) Add links to increase the length of the bike chain
d) Increase the width of the tires to grip the road better
On which of the following surfaces would a rolling cart take the longest to slow down and stop?
a) Table
b) Turf Rubber
c) Sandpaper
d) Glove
Which of the following orders the speed of these objects from fastest to slowest?
a) A, B, D, C
b) A, B, C, D
c) C, D, B, A
d) C, A, D, B
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