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Newton's Laws Of Motion PS 10ab
Test Description: Review
Instructions: Answer all questions to get your test result.
1) If I walk at a constant velocity, my acceleration is
A
increasing
B
changing
C
staying the same
D
decreasing
2) A diver jumping off a diving board is an example of Newton's
A
First Law
B
Fourth Law
C
Third Law
D
Second Law
3) A push or a pull on an object that causes that object to move, stop moving, change speed, or change direction is
A
force
B
friction
C
acceleration
D
speed
4) I ran the 200 m dash in 5 seconds. What was my speed? (S=d/t)
A
1000 m/s
B
195 m/s
C
40 m/s
D
4 m/s
5) I place a card on a glass with a nickel on top of the card. I then flick the card off the glass, but the nickel drops straight down into the cup. Which of Newton's Laws does this demonstrate?
A
none
B
First
C
Third
D
Second
6) Mr. Johnson goes from the surface of the Earth into space. His weight changes but his mass does not. Why?
A
Weight is a measure of the force of gravity/ mass is the amount of matter in an object
B
Mass is a measure of the force of gravity/ weight is how much matter is in an objest
C
Gravity never changes
D
He loses some matter, has less weight, but same mass
7) A plane flies 3000 Km from Roanoke to Seattle in 6 hours. What was the velocity of the plane? (S=d/t)
A
500 km/hr
B
500 km/hr west
C
18,000 km/hr west
D
18,000 km/hr
8) If a car is travelling around a race track, which of the following is NOT changing?
A
Velocity
B
Mass
C
acceleration
D
Speed
9) An object at rest tends to stay at rest, and an object in motion tends to stay in motion unless acted upon by an outside force is an example of which of Newton's Laws?
A
First
B
Second
C
Third
D
none of the above
10) How much force is needed to accelerate a 5Kg toy car with an acceleration of 11 m/s2? (F= m x a)
A
0.45 N
B
2.2 N
C
16 N
D
55 N
*select an answer for all questions
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