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- 1. Multiple Choice
A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?gravity acting on the wagonthe mass of the wagonfriction acting on the wagonthe mass of the child - 2. Multiple ChoiceFour different students take turns pushing a large, heavy ball on the school parking lot. What is the best way to determine which student used the most force to push the ball?compare the sizes of the studentscompare the ages of the studentscompare the distances that the ball rolledcompare the number of times the ball was rolled
- 3. Multiple ChoiceTwo identical balls are pushed with the same force. One ball is pushed along a flat surface and the other ball is pushed down a slanted surface. Which ball will travel faster and why?the ball on the flat surface, because of increased frictionthe ball on the flat surface, because of decreased gravitythe ball on the slanted surface, because of increased gravitythe ball on the slanted surface, because of decreased friction
- 4. Multiple ChoiceSam is building a car to race down a ramp. The car weighs 100 grams. Which could Sam do to increase the speed of the car?increase the mass of the cardecrease the mass of the carincrease the friction on the ramp
- 5. Multiple ChoiceWhat keeps the Moon orbiting Earth?the Sun’s gravitythe Moon’s rotationEarth’s rotationEarth’s gravity
- 6. Multiple ChoiceWhich is the best example of a pushing force that reduces the speed of an object?a bat hitting a baseballa brake rubbing against a wheela pedal turning the wheels of a bicyclea skateboard wheel rolling against pavement
- 7. Multiple ChoiceGravity pulls things which way on the Earth?updownoverunder
- 8. Multiple ChoiceA pencil falls off of a desk. What moves the pencil toward the floor?massfrictiongravityspeed
- 9. Multiple ChoiceFour solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?ball with a mass of 5 kgball with a mass of 10 kgball with a mass of 15 kgball with a mass of 20 kg
- 10. Multiple ChoiceWhat can cause a moving object to increase its speed in a forward direction?a force pushing on the object from the opposite directiona force that continually acts on the object in the direction the object is movingan increase in the mass of the objecta decrease in the mass of the object
- 11. Multiple Choice
A student is investigating the effect of force on several objects. If each ball is rolled with the same amount of force on the same surface, which ball will roll the farthest?
golf ball
tennis ball
soccer ball
basket ball
- 12. Multiple Choice
Samuel rolled four different balls across a table. All of the balls were the same size, but each had a different mass. Samuel rolled each ball with the same amount of force. Which ball MOST likely rolled the farthest?
Ball 1
Ball 2
Ball 3
Ball 4
- 13. Multiple Choice
Which material should be used on a bicycle ramp to increase friction?
sand
oil
water
liquid soap
- 14. Multiple Choice
The picture shows water dripping from a faucet. What is causing the water drops to fall to the ground?
gravity
friction
evaporation
inertia
- 15. Multiple Choice
Juan and Angela roll toy cars on a sidewalk. What make the cars finally come to a stop?
friction
electricity
inertia
gravity
- 16. Multiple Choice
Ms. Tate mops the floor and gets the surface wet. When she gets the floor wet, it becomes very slippery. What force decreases as the soap becomes wet?
electricity
friction
gravity
magnetism
- 17. Multiple Choice
Which force keeps the earth orbiting around the sun?
friction
gravity
magnetism
electricity
- 18. Multiple Choice
Which force is needed to keep a car from slipping on an icy road?
electrical
thrust
friction
gravity
- 19. Multiple Choice
The brakes on a motorcycle use the force of _____________ to stop.
thrust
gravity
electricity
friction
- 20. Multiple Choice
You are playing with matchbox cars, and you have created a ramp using books and a board. Which would make your car accelerate most?
a flat ramp
a ramp with a very small incline
a ramp with slighty steep incline
a ramp with a very steep incline
- 21. Multiple Choice
You and your friend are rolling cars on the sidewalk. Which force will cause your cars to stop?
inertia
electricity
friction
gravity
- 22. Multiple Choice
Nimia was skating fast across the wood floor in her house, but slowed to a stop when she reached the carpet. Which BEST explains what happened when Nimia reached the carpet?
Friction decreased
Gravity increased
Friction increased
Gravity decreased
- 23. Multiple Choice
Movers slide a box down the ramp of a truck. What force helps the box as it slides to the bottom of the ramp?
gravity
friction
electricity
thrust
- 24. Multiple Choice
Which material should be used on an icy sidewalk to increase friction?
water
sand
shiny metal
smooth glass
- 25. Multiple Choice
Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?
a 2kg ball
a 4kg ball
a 6kg ball
an 8kg ball
- 26. Multiple Choice
A student is investigating the effect of force on several objects. If each ball is rolled with the same amount of force on the same surface, which ball will roll the farthest?
the least massive ball
the most massive ball
- 27. Multiple Choice
Jamari and Dylan are competing to see who can throw a baseball the farthest distance. Dylan threw the baseball 52 yards. Which will most likely cause Jamari to throw a baseball farther than Dylan?
changing the direction in which he throws the ball
throwing the ball with a greater amount of force
adding additional mass to the baseball
throwing the ball with a smaller amount of force
- 28. Multiple Choice
Bella weighs 60 pounds and Melanie weighs 83 pounds. Both girls are 10 years old. Which statement is true about the force needed to move each girl?
Bella will require more force to be moved.
Melanie will require more force to be moved.
Both will require the same force to be moved.
. It is impossible to predict which girl will require more force to be moved.
- 29. Multiple Choice
Which will happen to an object at rest if no other forces are acting on it?
The object will stay at rest.
The object will begin to move
The mass of the object will increase.
The gravity on the object will increase.
- 30. Multiple Choice
Which must happen for a moving car to change direction?
Electrical energy must be applied to the car
Gravity must act on the car.
The mass of the car must change
Another force must act on the car.
- 31. Multiple Choice
How does the mass of an object affect acceleration?
The greater the mass of an object, the greater the force needed to accelerate the object
The greater the mass of an object, the smaller the force needed to accelerate the object
The smaller the mass of an object, the greater the force needed to decelerate the object.
There is no relationship between mass, force, and acceleration.
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