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- 1. Multiple Choice
What is Newton's 2nd law of motion?
What goes up must come down
For every action there is an equal and opposite reaction
Force equals mass times acceleration
An object in motion stays in motion unless acted on by an unbalanced force
- 2. Multiple Choice
A sprinter with a mass of 70kg accelerates at a rate of 5m/s2 . What force is the sprinter exerting?
F= 1,000 N
F=14 N
F= 350 N
F=65 N
- 3. Multiple Choice
Which law does this balloon represent?
1st law of motion
2nd law of motion
3rd law of motion
Law of Inertia
- 4. Multiple Choice
What is Newton's 3rd law of motion??
An object in motion stays in motion unless acted on by an unbalanced force
What goes up must come down
For every action, there is an equal and opposite reaction
Force equals mass multiplied by acceleration
- 5. Multiple Choice
What is force measured in?
Newtons
m/s2
Grams
MPH
- 6. Multiple Choice
How are speed and velocity different?
Speed included direction
Speed is always constant
Velocity is always constant
Velocity includes direction
- 7. Multiple Choice
What is the speed of an object that travels 20 meters in 4 seconds?
80 m/s
0.2 m/s
5 m/s
16 m/s
- 8. Multiple Choice
Which of Newtons law does this picture represent? (Hint: the car stopped and the man continued to move forward)
Newtons 2nd law
Law of gravity
Newtons 1st law
Newtons 5th law
- 9. Multiple Choice
What is speed?
how far you go
distance traveled in a certain amount of time
how fast you accelerate
the change in the location of a object
- 10. Multiple Choice
Find the velocity of a plane that traveled 3000 miles west in 5 hours.
65 mph west
600 mph
600 mph west
65 mph
- 11. Multiple Choice
The greater the mass of an object, _____.
the easier the object starts moving
the greater its inertia
the more balanced it is
the less force
- 12. Multiple Choice
The force that one surface exerts on another when the two objects slide against each other is called
friction
inertia
acceleration
gravity
- 13. Multiple Choice
According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
creates a friction with the hammer.
disappears into the wood.
exerts an equal and opposite force on the hammer.
moves at a constant speed.
- 14. Multiple Choice
The overall force on an object after all the forces are added together is called the
balanced force
unbalanced force
net force
centripetal force
- 15. Multiple Choice
Define the term inertia.
the amount of matter in an object
the amount of space an object takes up
the tendency of an object to resist a change in motion, determined by mass
The force that one surface exerts on another when the two rub against each other
- 16. Multiple Choice
If we drop a steel ball and a ping pong ball, which would hit the ground first?
the steel ball because it has more mass
the ping pong ball because it takes longer to accelerate
they hit the ground at the same time
the steel ball because more gravity is acting on it
- 17. Multiple ChoiceWhen an object has a net force of 0 N, it is an example of what kind of force?BalancedUnbalancedAccelerationGravity
- 18. Multiple Choice
The force of __________________ is a type of friction that works against the motion of falling objects.
Terminal Velocity
Gravity
Free Fall
Air Resistance
- 19. Multiple ChoiceA force is a ____________________push or pullmotionspeednet force
- 20. Multiple ChoiceWhich of the options below is an example of velocity?20 m/s200 km/h20 m/s East20 East
- 21. Multiple Choice
These forces are...
Balanced
Unbalanced
- 22. Multiple Choice
The net force =_______
20 N ←
0 N
80 N
20 N →
- 23. Multiple Choice
What is the net force?
40 N ←
0 N Balalnced
20 N →
40 N →
- 24. Multiple Choice
Calculate the Net Force.
60 N →
40 N →
0 N
60 N ←
- 25. Multiple Choice
Friction is a force that acts in the ___________ direction of movement.
same
opposite
parallel
west
- 26. Multiple Choice
What type of friction occurs when the object is not moving?
static
sliding
fluid
rolling
- 27. Multiple ChoiceWhat does friction produce?lightsoundheatgravity
- 28. Multiple Choice
Which is an example of a non-contact force?
air resistance force
friction force
applied force
gravitational force
- 29. Multiple Choice
Displacement is the distance combined with
direction
speed
velocity
magnitude
- 30. Multiple Choice
Bill runs 400 meters west to Andy's house, turns around, and runs 400 meters back home. What is Bill's distance?
0 meters
400 meters west
800 meters
1600 meters
- 31. Multiple Choice
Bill runs 400 meters west to Andy's house, turns around, and runs 400 meters back home. What is Bill's displacement?
0 meters
400 meters west
800 meters
1600 meters
- 32. Multiple ChoiceA place or object used for comparison to determine if another object is in motion is called acomparison pointreference pointpoint of viewmotion detector
- 33. Multiple Choice
An object is accelerating if it is______.
increasing speed
decreasing speed
changing direction
all of the above
- 34. Multiple Choice
David walks 3 km north to wawa and then another 4 km North to his friends houses. What is the displacement?
7 km North
3 km North
7 km
3 km
- 35. Multiple Choice
All forces are always described by what?
Strength and speed
Direction and shape
Strength and direction
Mass and shape
- 36. Multiple Choice
Which law is also called the law of inertia?
1st law of motion
2nd law of motion
3rd law of motion
None of them
- 37. Multiple Choice
To increase air resistance you must _____.
Increase surface area
Increase mass of the object
Decrease surface area
Decrease the mass of the object
- 38. Poll
How prepared do you feel for the test?
I can take it right now!! 😀
I'm confident just need to review material 🙂
I really need to study, but will be ready 😐
I'm not ready at all 😔
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