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- 1. Multiple Choice
Unbalanced forces ALWAYS result in which of the following?
acceleration
constant velocity
constant speed & direction
inertia
- 2. Multiple Choice
Which of the following is NOT an example of unbalanced forces?
a turning car
a car breaking to a stop
a car traveling 60 mph constantly
a car accelerating down a hill
- 3. Multiple Choice
Which of the following is NOT an example of unbalanced forces?
a skateboard speeding up down a ramp
a skateboard popping up in the air, then back down
a skateboard slowing down to a stop
a motionless skateboard
- 4. Multiple Choice
Which of the following is NOT an example of balanced forces?
a roller coaster moving forward at a constant speed of 10 m/s
a roller coaster sitting motionless while passengers get on
a roller coaster going around a loop at a constant speed
- 5. Multiple Choice
Which of the following describes the motion of the door?
increasing speed to the left
constant speed to the left
increasing speed to the right
constant speed to the right
- 6. Multiple Choice
What change in motion will occur if Cindy & Alex increase their force to 40N?
the door's motion to the right will slow
the door's motion will stop
the door's motion will immediately shift to the left
the door's motion to the left will slow down
- 7. Multiple Choice
Which of the following would naturally result in acceleration? *multiple answers*
going uphill or downhill
a flat stretch of unchanging road
a change in surface friction
a turn
- 8. Multiple Choice
1 & 3
2 & 3
2 & 4
3 & 4
- 9. Multiple Choice
The speed of the cart decreases as the cart rolls down the ramp because of friction between the cart and ramp.
The speed of the cart increases as the cart rolls down the ramp because the force acting on the cart is greater than the force of gravity.
The speed of the cart increases as the cart rolls down the ramp because the forces acting on the cart are unbalanced.
The speed of the cart decreases as the cart rolls down the ramp because the forces acting on the cart are balanced.
- 10. Multiple Choice
What acceleration results from 63N of force being applied to a 9kg ball?
567 m/s2
7 m/s2
72m/s2
54 m/s2
- 11. Multiple Choice
If this cylinder has a mass of 20 kilograms, what is its rate of acceleration? (hint: ___ N = 20 kg x a)
0 m/s2
65 m/s2
1 m/s2
20 m/s2
- 12. Multiple Choice
On which toy car was the most force exerted?
1
2
3
4
- 13. Multiple Choice
13N
7N
8N
12N
- 14. Multiple Choice
Describe this object's motion.
constant speed
constant acceleration
increasing acceleration
increasing speed
- 15. Multiple Choice
Describe this object's motion.
*multiple answers*
constant speed
constant acceleration
increasing acceleration
increasing speed
- 16. Multiple Choice
Which law? A gingerbread man kicks a football through some goal posts with their foot and their toes are left stinging...and possibly detached...
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
- 17. Multiple Choice
The white car hit the gray car, yet both cars were damaged. Why is that?
An object at rest will remain at rest unless acted on by an unbalanced force.
If you apply more force to an object, it will accelerate more.
For every action, there is an equal and opposite reaction.
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