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WorksheetsMotion / Forces Study Guide
Total questions: 54
Worksheet time: 27mins
Collision theory states that for a chemical reaction to occur, the reacting particles must ____________ with one another.
disintegrate
collide
divide
share
Which reaction is it when energy releases or gives off heat?
Endothermic process
Reverse osmosis
Exothermic reaction
Enthalpy change
Because energy takes many forms, only some of which can be seen or felt, it is defined by its effect on matter. Thermal energy results from atomic and molecular motion; the faster the motion, ________________________.
the atoms keep their arrangement
the STP is diminished
the greater the thermal energy
the molecules reach equilibrium
In physics, ___________ is the change in position of an object with respect to its surroundings in a given interval of time.
distance
displacement
motion
force
Even if you are standing completely still, are you still moving?
Yes
No
Maybe
BRB
In order for us to describe what relative motion is, we need to establish what the _________ of reference is?
position
location
frame
distance
To describe the position of a person in an airplane, which would we use as the reference frame?
Earth
the airport
the runway
the airplane
___________ is the science aimed at describing the fundamental aspects of our universe.
Chemistry
Physics
Biochemistry
Ecology
The theory of relativity was developed by _____________ in 1905.
Albert Einstein
Isaac Newton
Galileo
Charles Darwin
Because of the way gravity affects space and time, Einstein stated that gravity affects what?
relative motion
the force of gravity on Earth's surface
centripetal forces
the space-time continuum
The SI unit for length is the _____________.
centimeter (cm)
kilogram (kg)
meter (m)
kilometer (km)
In 1983, the meter was given its present definition as the distance light travels in a vacuum in ________________ of a second.
2/ 299,792,488
1/ 299,792,458
1/ 289,297,458
1/ 299,458
The SI unit for mass is the ___________.
kilogram (kg)
kilometer (km)
liter (L)
milligram
So, if mass is measured in kilograms (for large objects) which unit of measure expresses something measured in kilograms?
525 (L)
644 (mg)
72 (g)
104 (kg)
How far an object moves in reference to the length of the path between its initial position and its final position is describing what?
discplacement
length
velocity
distance
The distance you drive to your friend's house is probably ___________ than the straight line between the two houses.
shorter
the same
longer
faster
The net change in position of an object is its _______________.
displacement
distance
kilometers
magnitude
The complete length of the path between any two points is called?
distance
displacement
direction
magnitude
The direct length between any two points when measured along the minimum path between them is called?
displacement
distance
longitude
direction
If a question is asking how fast something is traveling, what are we solving for?
Speed
Distance
Time
Displacement
If a question is asking how far an object has traveled, what are we solving for?
Speed
Distance
Displacement
Time
If a question is asking how long it takes and object to travel, what are we solving for?
Speed
Magnitude
Time
Distance
What is the formula/equation for speed?
d = s x t
t = d/s
s = d/t
What is the formula/equation for time?
d = s x t
s = d/t
t = d/s
What is the formula/equation for distance?
s = d/t
d = s x t
t = d/s
Abigail drives her car with a constant speed of 66 miles per hour. How far can she travel in 1 1/2 hours?
86 mph
96 miles
99 miles
106 miles
An airplane flies with a constant speed of 760 km/h. How far can it travel in 3 hours?
2250 m/s
2280 km
2280 m
2820 km
A train travels with a constant speed of 88 km/h. How long will it take to travel a distance of 44 kilometers? (Remember 1 hour = 60 minutes)
22 minutes
1,100 seconds
30 minutes
33 minutes
An airplane flies 1330 miles in 1 3/4 hours. What is its average speed in miles per hour?
780 km
644 mph
76 mph
760 mph
In mathematics and physics, we have physical quantities that can be categorized in two ways, which are scalar and vector. Which quantity below is NOT a scalar quantity?
15 meters
6 hours
20 kilograms
30 km/hr North-East
The physical quantities for which both magnitude and direction are defined distinctly are known as ___________ quantities.
scalar
vector
displaced
direct
A pitcher throws a baseball from the pitcher’s mound to home plate in 0.46 s. The distance is 18.4 m. What was the average speed of the baseball?
400 m/s
- 40 m/s
44 m/s
40 m/s
The vector version of speed is?
distance
acceleration
velocity
motion
Velocity, like speed, has SI units of?
m
m/s
m/s2
mph
A trucker drives along a straight highway for 0.25 h with a displacement of 16 km south. What is the trucker’s average velocity?
4 km/h north
8 km/h south
32 km/h north
64 km/h south
A person walks 100 m in 5 minutes, then 200 m in 7 minutes, and finally 50 m in 4 minutes. Find its average speed in meters per second.
25 m/s
36 m/s
.36 m/s
12.6 m/s
A police car drives 115 km in 198 minutes. What is its average speed in kilometers per hour? (Remember to convert minutes to hours)
28.4 km/h
34.8 km/h
39.5 km/h
46.2 km/h
That feeling you get when you're sitting in a plane during take-off, or slamming on the brakes in a car, or turning a corner at a high speed in a go kart are all situations where you are describing?
speed
velocity
acceleration
displacement
To be specific, acceleration is defined to be the rate of change of the ___________.
measure
distance
speed
velocity
In the graph provided, after 2 seconds how far would you have traveled?
4 m
3 m
2 m
1 m
7. A skater increases her velocity from 2 m/s to 10 m/s in 3 s, what is the acceleration?
- 2.7 m/s2
5 m/s2
2.7 m/s2
6.6 m/s2
Which of the pairs of graphs below represents an automobile that is accelerating?
1
2
3
4
If an automobile travels at 30 m/s for 120 seconds, how far has the car traveled?
90 m
900 m
1,800 m
3,600 m
T/F: Mass does not change where as weight changes due to gravitational force.
True
False
Which types of energy are released by the friction force between a car’s tires and the road during a skidding, squealing stop?
motion
force
heat
gravity
A block is at rest on a ramp. The most likely explanation is that:
the static friction between the block and the ramp is greater than the force of gravity
there are no forces between the block and ramp.
the sliding friction between the block and the ramp is lower than the force of gravity
the ramp is not steep enough for gravity to have any effect.
The picture shows all the forces acting on a windsurfer. If the forces are balanced and the windsurfer is traveling at constant velocity, what is the value of force F?
50 N
100 N
1000 N
2000 N
Which of the following is NOT a force?
speed
electromagnetism
gravity
friction
Gravity on Earth is:
3.7 N/kg
18.0 N/kg
9.8 N/kg
4.9 N/kg
The formula for measuring the force of weight in Newtons is:
w = m x g
w = m/g
w = g/m
Calculate the weight (in newtons) of a 5.0 kg backpack on Earth. (gravity = 9.8 N/kg)
40 N
49 N/kg
49 N
58 N
What is the force (f = mass x acceleration) required to accelerate an object with a mass of 20 kg from stationary to 3 m/s2?
24 N
48 N
56 N
60 N
What is the equation for solving acceleration?
What is the force required to accelerate an object with a mass of 20 kg from stationary to 3 m/s2?
12 m/s2
5 m/s2
2 m/s2
1.5 m/s2
