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(Samuel Tanosh) Physics 2

Total questions: 45

Worksheet time: 34mins

Name
Class
Date
1.

What is the formula for Newton's second law?

a)

F=ma

b)

F=yomamma

c)

F=m/a

d)

F=m+a

2.

Which law states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force?

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Newton's 4th law

3.

What happens when you push on a wall?

a)

Nothing.

b)

The wall pushes back with less force.

c)

The wall pushes back with an equal force.

d)

The wall pushes back with more force.

4.

_________ is a change in velocity

a)

inertia

b)

speed

c)

gravity

d)

acceleration

5.

What is the result of an unbalanced force?

a)

A net force of zero

b)

a change in motion

c)

no movement

d)

a padawan becomes a jedi

6.

what do we call it when the net force is greater than zero?

a)

A balanced force

b)

An unbalanced force

c)

inertia

d)

reaction

7.

What is inertia?

a)

the amount of mass an object has

b)

the amount of gravity an object has

c)

when an object tends to keep its same motion

d)

when an object to push back with equal and opposite force

8.

When calulating net force, what do we do if the arrows point in opposite directions?

a)

Add

b)

Subtract

c)

Multiply

d)

Divide

9.

What is velocity

a)

speed and mass

b)

mass and direction

c)

speed and direction

d)

short for velociraptor

10.

The action is gravity pulling you to the center of the earth. What is the reaction

a)

The chair pushing you up.

b)

A balanced force.

c)

You falling in a bottomless pit to the center of the earth.

d)

An unbalanced force.

11.

Which of the following is a scalar quantity?

a)

Displacement

b)

Velocity

c)

Speed

d)

Acceleration

12.

How can vectors be added when they are perpendicular to each other?

a)

Using trigonometry

b)

Using pythagoras

c)

Using scale drawing

d)

Using calculus

13.

How can vectors be added when they are at angles other than 90°?

a)

Using trigonometry

b)

Using pythagoras

c)

Using scale drawing

d)

Using calculus

14.

How can vectors be resolved into their components?

a)

Using trigonometry

b)

Using pythagoras

c)

Using scale drawing

d)

Using calculus

15.

A ball has been fired at a velocity of 10 m/s at an angle of 30° from the horizontal. What is the horizontal component of its velocity?

a)

5 m/s

b)

8.7 m/s

c)

10 m/s

d)

12.9 m/s

16.

What type of quantity has only magnitude?

a)

Vector

b)

Scalar

c)

Force

d)

Acceleration

17.

Which of the following is an example of a vector?

a)

20 liters

b)

5 m/s to the right

c)

15 seconds

d)

10 kg

18.

What does the length of a vector arrow represent?

a)

Time

b)

Speed

c)

Magnitude

d)

Direction

19.

In a position-time graph, what does the slope represent?

a)

Time

b)

Displacement

c)

Velocity

d)

Acceleration

20.

What is the formula for average velocity?

a)

Mass / Volume

b)

Time / Distance

c)

Force / Mass

d)

Distance / Time

21.

Which of the following describes a scalar quantity?

a)

5 kg

b)

10 m/s North

c)

2 m to the right

d)

20 N downwards

22.

What does displacement refer to?

a)

The speed of an object

b)

The change in position

c)

The total distance traveled

d)

The time taken

23.

What is the time interval formula?

a)

Δt = tf - ti

b)

Δt = ti / tf

c)

Δt = ti + tf

d)

Δt = tf + ti

24.

Which graph indicates a faster speed?

a)

A graph with a horizontal line

b)

A graph with a downward slope

c)

A graph with a flat line

d)

A graph with a steeper slope

25.

What does a position-time graph show?

a)

The speed of an object

b)

The mass of an object

c)

The position of an object over time

d)

The force acting on an object

26.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
27.
If the exponent on your power of 10 is positive, is your number larger or smaller than 10?
a)
Larger
b)
Smaller
28.
7.82 x 10-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.
a)
Large
b)
Small
c)
Basic
29.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
30.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
31.

Simplify:  (6.8×10−3)+(1.2×10−2)\left(6.8\times10^{-3}\right)+\left(1.2\times10^{-2}\right)  

a)

 8.16×10−38.16\times10^{-3}  

b)

 5×1025\times10^2  

c)

 1.88×10−31.88\times10^{-3}  

d)

 1.88×10−21.88\times10^{-2}  

32.
A microgram is equal to 1 x 10 -6 grams. How many times greater than a microgram is 1 x 102 grams? 
a)
1 x 10-8
b)
1 x 10-4
c)
1 x 104
d)
1 x 108
33.
The US spends an average of 1.02x104 dollars on each student per year.  There are about 7.6x107 students in the US.  About how much money total is spent on students per year?
a)
7.752 x 1011
b)
7.752 x 1028
c)
8.62 x 1011
d)
8.62 x 1028
34.
The Diplodocus dinosaur is believed to have become extinct approximately 1.38x108 years ago.  The Oviraptor is believed to have become extinct approximately 7x107 years ago.  How many years were there between the extinction of these two dinosaur types?
a)
6.8 x 108
b)
6.8 x 109
c)
68 x 108
d)
6.8 x 107
35.

Compare 2.01 x 1015 and 2.8 x 1013. Which number is larger?

a)

2.01 x 1015

b)

2.8 x 1013

36.

Unit of Length

a)

mm

b)

cm

c)

m

d)

km

37.

SI Unit of Length

a)

mm

b)

cm

c)

m

d)

km

38.

Unit of Time

a)

milli seconds

b)

seconds

c)

hour

d)

light years

39.

SI Unit of Time

a)

milli seconds

b)

seconds

c)

hour

d)

light years

40.

Unit of Temperature

a)

degrees Celsius

b)

degrees Fahrenheit

c)

Kelvin

d)

kelvin

41.

SI Unit of Temperature

a)

degrees Celsius

b)

degrees Fahrenheit

c)

Kelvin

d)

kelvin

42.

Unit of Mass

a)

micro gram

b)

gram

c)

milli gram

d)

kilo gram

43.

SI Unit of Mass

a)

micro gram

b)

gram

c)

milli gram

d)

kilo gram

44.

Unit of Speed

a)

metres per second

b)

metres per hour

c)

kilometers per hour

d)

kilometers per second

45.

SI Unit of Speed

a)

metres per second

b)

metres per hour

c)

kilometers per hour

d)

kilometers per second

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