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- 1. Multiple Choice
What is Newton's 2nd Law?
Every action has an equal and opposite reaction
An object at rest stays at rest, an object in motion stays in motion.
Force is dependent on the mass and acceleration of an object.
Friction
- 2. Multiple Choice
What unit do we measure force in?
Kilometer/hr
Joules
Seconds
Newtons
- 3. Multiple Choice
True or False. 800 N = 800 kg ⋅ m/s2
True
False
- 4. Multiple Choice
If the net force is equal to zero, the forces acting on the object are
balanced
unbalanced
- 5. Multiple Choice
What is the net force?
40 N left
400 N right
0 N Balanced
40 N right
- 6. Multiple ChoiceThe larger the mass you have the _____ force you need to change its motion.moreless
- 7. Multiple ChoiceAs force applied to a textbook increases, what happens to its acceleration?Stays the sameIncreasesDecreasesOpens
- 8. Multiple ChoiceIf you increase the mass on an object, its accelerationdecreasesstays the samealso increasesstops
- 9. Multiple ChoiceWill it take more force to push an empty shopping cart or a shopping cart that is full?The empty shopping cartThe full shopping cartThey will take the same amount of force
- 10. Multiple Choice
If the man pushes with an equal amount of force, which object will accelerate more?
Car because it has more mass
Lawnmower because it has less mass
Car because it has less mass
Lawnmower because it has more mass
- 11. Multiple Choice
A 25 kg bike accelerates at 10 m/s2. What was the force?
250 N
2.5 N
25 N
15 N
- 12. Multiple Choice
The mass of a wagon is 40 kg. The wagon accelerates at 8 m/s2 . What is the force?
38.25 Kg
320N
5N
3.825Kg
- 13. Multiple Choice
A cat has a mass of 200 kg and accelerates at 3 m/s2 to catch a mouse. How much force would be needed to stop the cat?
200 N
300 N
500 N
600 N
- 14. Multiple Choice
What force is required to accelerate a car at a rate of 2 m/s2 if the car has a mass of 3000 kg?
1500 N
3002 N
6000 N
0.00067 N
- 15. Multiple Choice
A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2?
30 N
3.34 N
0.3 N
13 N
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