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HUMSS201-Part 2- LongExam/FinalExam

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.
Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball. 
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
2.
Based on Newton's Law of Force Pairs, what would be the reaction force, if the action force is 60 N to the right?
a)
60 N to the right
b)
60 N to the left
c)
30 N to the left
d)
9.8 N to the right
3.
How long will an object remain at rest, according to Newton's First Law of Motion?
a)
it can't rest
b)
until noon
c)
until an unbalanced force occurs
d)
as long as there are unbalanced forces acting on it 
4.
Which of these is an example of Newton's First Law, inertia?
a)
pushing against a brick wall, and the brick wall does not move
b)
pushing against a stationary wheelbarrow, and the wheelbarrow accelerates forward
c)
pushing a wheelbarrow full of bricks, and the bricks slide back toward the handles
d)
pushing a wagon to the top of a hill, and the wagon to the top of hill and the wagon accelerates down the hill without assistance
5.
A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee splashes out. This is explained due to 
a)
density
b)
friction
c)
gravity
d)
inertia 
6.
The resultant force on the box is 
a)
2 Newtons to the left
b)
10 Newtons to the right
c)
10 Newtons to the left
d)
20 Newtons to the right
7.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 
a)
feathers 
b)
iron
c)
same
d)
depends on their friction
8.
LT4: The graph shows Ashley riding her bike to Maria's house. 
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
9.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
10.

You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off of the front of the tray.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

11.

Classify milk as one of these 4 types of matter.

a)

Element

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

12.
TRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.
a)
TRUE
b)
FALSE
13.
Are these molecules also compounds?
a)
YES
b)
NO
14.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
15.

Which "S" of Kinetic Molecular Theory explains why food coloring is dispersed more quickly in 80oC water than in 10oC water?

a)

Size

b)

Space

c)

Shape

d)

Speed

16.

Which of the following is not an example of a chemical property?

a)

Flammability

b)

Odor

c)

Reactivity

d)

Toxicity

17.

Which of the following is an example of a physical change in matter?

a)

Two substances produce heat when mixed

b)

Smash a watermelon with a hammer

c)

Digestion of food

d)

Cooking a waffle

18.

How many N (Newton/s) does a 1000 kg really weighs?

a)

980 N

b)

9800 N

c)

102 N

d)

0.0098 N

19.

Neil weighs 750 N on Earth. On Mars, the force of gravity is 38% of that on Earth. How much would Neil weigh on Mars?

a)

285 N

b)

285 kg

c)

7 350 N

d)

7 350 kg

20.

Dry ice on the kitchen counter has disappeared without a trace. Dry ice skips the liquid phase. It never "melts" instead turns directly into a gas. This is an example of what change of physical state?

a)

Sublimation

b)

Melting

c)

Condensation

d)

Deposition

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