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Mathematics, Physics, Science
8th
grade
Newton's 2nd Law - 15 Questions
15 questions
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- 1. Multiple Choice
What is the equation for Newton's 2nd Law of Motion?
a = bc
F = m/a
F = ma
a = b/c
- 2. Multiple Choice
What are the units of force?
kg
N
m/s
m/s2
- 3. Multiple Choice
When mass is 10 kg and acceleration is 2 m/s2, what is force? HINT: F = ma
5 N
20 N
8 N
12 N
- 4. Multiple Choice
The smaller the mass you have, the _____ force you need to change its motion.
more
less
- 5. Multiple ChoiceAs force applied to a textbook increases, what happens to its acceleration?Stays the sameIncreasesDecreasesOpens
- 6. Multiple Choice
True or False. An increase in mass will result in an increase in the acceleration.
True
False
- 7. Multiple Choice
When thrown with the same amount of force, a soccer ball accelerates _____ a bowling ball.
more than
less than
the same amount as
- 8. Multiple Choice
Two students are in a baseball game. The first student hits the ball very hard and the ball has a large acceleration. In order to have a smaller acceleration, what would the second student need to do when they are at bat?
hit the ball harder than the first student did
hit the ball softer than the first student did
hit the ball with the same amount of force as the first student did
- 9. Multiple Choice
A cat eyeballs the Christmas tree and decides to apply all of his mass directly to the center of the tree. This force likely causes the tree to ______.
not have any acceleration.
increase its acceleration.
decrease its acceleration.
- 10. Multiple Choice
This triangle is used to determine speed.
True
False
- 11. Multiple Choice
If you increase the mass of an object, its acceleration...
decreases.
stays the same.
also increases.
stops.
- 12. Multiple Choice
Something with a greater mass requires a(n) _____ force to accelerate it.
larger
smaller
equal
opposite
- 13. Multiple Choice
If both boys pull with the same amount of force, which rock will accelerate the quickest?
the large rock
the small rock
both rocks will accelerate at the same amount
- 14. Multiple Choice
Which cart will have the lowest acceleration if the woman uses the same amount of pushing force on both carts?
the empty cart
the full cart
both carts will accelerate the same amount
- 15. Multiple Choice
Which car will accelerate faster?
car A
car B
both will accelerate at the same rate
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