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- 1. Multiple Choice
Sandra pushed a wooden block and it slid across the floor. The wooden block gradually slowed down and stopped after moving 10 meters.
Why did the block stop moving?
The floor exerted a force that is opposite to the direction of the block’s motion.
The block ran out of force.
The floor absorbs force from the block.
All objects stop moving because their natural state is to be still.
- 2. Multiple ChoiceWhat is the scientific unit for speed?m (meter)s (second)m/s (meter/second)m/s^2 (meter/second^2)
- 3. Multiple ChoiceWhat is the scientific unit for acceleration?m (meter)s (second)m/s (meter/second)m/s^2 (meter/second^2)
- 4. Multiple ChoiceWhat is speed?how far you gohow much distance is covered over a period of timehow fast you acceleratethe change in the location of a object
- 5. Multiple ChoiceWhat is velocity?the quickness of an objectthe location of an objectaccelerationspeed in a specific direction
- 6. Multiple ChoiceOn a distance vs. time graph, the steeper the slope _____the slower the speedthe faster the speedless accelerationgreater acceleration
- 7. Multiple Choice
At 60 seconds, how far had this object traveled?0 m10 m20 m40 m - 8. Multiple ChoiceWhat is happening in this graph from point A to B?The object is accelerating.The object is not moving.The object is decelerating.The object is moving at a constant speed.
- 9. Multiple ChoiceWhat does this graph represent?Constant speedAccelerationNot moving
- 10. Multiple ChoiceWhat is the speed of an object that travels 20 meters in 4 seconds?80 m/s0.2 m/s5 m/s24 m/s
- 11. Multiple Choice
The clown walked 27 feet in 9 seconds. what was his velocity?
18 feet/sec
243 feet/sec
36 feet/sec
3 feet/sec
- 12. Multiple ChoiceWhat law is best described by inertia?1st2nd3rdlaw of conservation of mass
- 13. Multiple ChoiceWhich type of force(s) will cause a change in an object's motion?gravityzero net forcebalanced forcesunbalanced forces
- 14. Multiple ChoiceA 20 kg bike accelerates at 10 m/s2. what was the force25 Newtons20 Newtons200 Newtons10 Newtons
- 15. Multiple Choice8 N to the left , and 4 N to the right. Find the net force. Is this balanced12 N Right No4 N Left No12 N Right Yes4 N Left Yes
- 16. Multiple ChoiceWhat is the acceleration of an object traveling at a constant velocity?10 m/s20 m/s2250 m/s220 m/s2
- 17. Multiple ChoiceFor every action, there is an equal and opposite reaction.Newton's
1st
Law of MotionNewton's
2nd
Law of MotionNewton's
3rd
Law of Motion - 18. Multiple Choice
A moving object is photographed once every second. Examining the photographs, you notice that the object travels a greater distance in each photograph. What can be inferred about this set of photographs?
The object is decelerating
The object is accelerating
The object is changing direction
The object has no acceleration
- 19. Multiple Choice
Which car had a positive acceleration between laps 2 and 3?
Car X
Car Y
Car Z
Cars Y and Z
- 20. Multiple Choice
A student measures the instantaneous velocity of a moving object at several different times as shown in the table.
Which statement BEST describes the motion of the object?
The object has a constant velocity
The object has a changing acceleration
The object has a constant positive acceleration
The object has a constant negative acceleration.
- 21. Multiple Choice
A computer connected to a motion sensor creates a velocity-time graph for a ball rolling down an incline. On the graph, the velocity increases by 0.3 m/s for every 0.1 second increment on the graph. What is the acceleration of the object?
0.03 m/s^2
0.3 m/s^2
1 m/s^2
3 m/s^2
- 22. Multiple Choice
Which of these best represents a velocity?
A bicycle travels at 3m/s
A race car speeds along a track at 300km/h
The wind if blowing from the northwest at 7 km/h
The tennis champion serves the ball in excess of 130 km/h
- 23. Multiple Choice
A race car traveled around a circular track at 50km/h. Which of the following statements best describes the motion of the car as it traveled around the track?
The total displacement constantly increases?
The total distance increases then decreases.
The velocity changes because the car changes direction
The speed changes because the car changes direction.
- 24. Multiple Choice
Miguel created this graph from data that was collected by a computer sensor as an object fell. He concluded that this object accelerated because it was acted on by an unbalanced force. Are Miguel's conclusions correct?
No, because the graph shows that the object accelerated as it fell.
Yes, because the graph shows that the object accelerated as it fell.
No, because the graph shows that the object fell with a constant velocity.
Yes, because the graph shows that the object fell with a constant velocity
- 25. Multiple Choice
During an experiment, Linda released an electric car to roll across the floor. She used a computer sensor to record data about the car's motion. She repeated the experiment with a second electric car. She was able to produce this graph.
Which car experiences a net force of 0?
Car 1 only because it travels down with more velocity than Car 2
Car 2 only because it travels down with more velocity than Car 1
Both of the cars because they travel with constant velocity and no change in acceleration
Neither of the cars because they travel with constant velocity and no change in acceleration
- 26. Multiple Choice
As a pelican flies through the air, it flaps its wings, thereby pushing down on the air below. What is the reaction force?
The force of gravity pulling the pelican down
The force of air resistance that resists the pelican's forward movement
The air around the pelican pushing down on other air molecules further below
The air pushing back on the wings of the pelican.
- 27. Multiple Choice
The acceleration due to gravity on the moon is 1.6 m/s^2. How would your weight on the moon compare to your weight on earth?
On the moon you would weigh 0.16 times your weight on Earth.
On the moon you would weigh 0.83 times your weight on Earth.
On the moon you would weigh 6.1 times your weight on Earth.
On the moon you would weigh 16 times your weight on Earth.
- 28. Multiple Choice
Which is the following sequences of free body diagrams shows the changing forces on a skydiver as he reaches terminal velocity?
- 29. Multiple Choice
What is the acceleration of the object at 4 seconds?
0.75 m/s^2
1.3 m/s^2
3.0 m/s^2
12 m/s^2
- 30. Multiple ChoiceWhat is this graph showing?Constant SpeedAcceleration (speeding up)Deceleration (slowing down)No motion
- Answer choicesTagsAnswer choicesTags