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GKE Investigation 2
Test Description: Newton's Second Law; mass vs weight
Instructions: Answer all questions to get your test result.
1) Which explanation best describes mass?
A
The amount of matter, or stuff, in an object.
B
None of these
C
The force of attraction between 2 bodies having mass.
D
The force gravity exerts on a body of mass.
2) Which explanation best describes weight?
A
The force gravity exerts on a body of mass.
B
The force of attraction between 2 bodies having mass.
C
None of these.
D
The amount of matter, or stuff, in an object.
3) What is gravity?
A
The force gravity exerts on a body of mass.
B
The force of attraction between 2 bodies having mass.
C
The amount of matter, or stuff, in an object.
D
None of these.
4) Gravitational force depends on
A
mass and distance
B
mass and weight
C
the Earth and Moon
D
speed and acceleration
5) Why is the force of gravity on Earth stronger than on the moon?
A
The moon is bigger.
B
The Earth has more mass.
C
The Earth is bigger.
D
The moon has more mass.
6) force =
A
mass x weight
B
mass / acceleration
C
mass x acceleration
D
acceleration + mass
7) Which of the following balls would require the most force to stop its motion?
A
Ping Pong ball with a mass of 3 g
B
Tennis ball with a mass of 54 g
C
Rubber ball with a mass of 65 g
D
Golf ball with a mass of 47 g
8) Which of the following balls would require the most force to start its motion?
A
Golf ball with a mass of 47 g
B
Ping Pong ball with a mass of 3 g
C
Tennis ball with a mass of 54 g
D
Rubber ball with a mass of 65 g
9) 9. Kara pushes her big brother on a swing at the playground. After he gets off the swing, her little brother gets on. Kara finds that it is easier to push her little brother than it was her big brother. What is the most likely reason for this?
A
A smaller mass always moves faster than a larger mass
B
Less force is needed to move a larger mass the same distance
C
More force is needed to move a larger mass the same distance
D
A smaller mass always moves slower than a larger mass
10) There are three planets with the following masses - 25 million Kg, 20 million Kg, 10 million Kg. Which planet has the greatest amount of gravity
A
10 million Kg
B
20 million Kg
C
25 million Kg
D
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