WorksheetsForce and Motion Review
Total questions: 64
Worksheet time: 33mins
? = mass x acceleration
or
? = m x a
is used to find
1st
Law of Motion
2nd
Law of Motion
3rd
Law of Motion
Newton's law of motion states that an object
at rest remains at rest unless it experiences an unbalanced force.
in motion maintains its velocity unless it experiences an unbalanced force.
will tend to maintain its motion unless it experiences an unbalanced force.
All of the above.
The first law of motion applies to
only objects that are moving.
only objects that are not moving.
all objects, whether moving or not.
no object, whether moving or not.
A measure of inertia is an object’s
mass
weight
velocity
acceleration
Suppose you are pushing a car with a certain net force. If you then push with twice the net force, the car’s acceleration
becomes four times as much.
becomes two times as much.
stays the same.
becomes half as much.
Any change in an object’s velocity is caused by
the object’s mass.
the object’s direction.
a balanced force.
an unbalanced force.
Gravitational force between two masses _____________ as the masses increase and rapidly ____________ as the distance between the masses increases.
strengthens, strengthens
weakens, weakens
weakens, strengthens
strengthens, weakens
An object’s acceleration is
directly proportional to the net force.
inversely proportional to the object’s mass.
in the same direction as the net force.
All of the above.
An example of action-reaction forces is
air escaping from a toy balloon.
a rocket traveling through the air.
a ball bouncing off a wall.
All of the above
A baseball player catches a line-drive hit. If
the reaction force is the force of the player’s
glove stopping the ball, the action force is
the force of the player’s hand on the glove.
the force applied by the player’s arm.
the force of the ball pushing on the glove.
the force of the player’s shoes on the dirt.
If you divide momentum by velocity, the result is the value of the object’s
mass.
direction
energy
speed
When the velocity of an object changes, it is acted upon by a(n)
force
inertia
deceleration
momentum
If the net force on an object is zero then the object has
real force
unbalanced force
balanced force
action force
When objects are moved further apart from each other, the force of gravity between them
increases.
decreases a little, then increases a lot.
decreases.
doesn't change.
The SI unit of force is called the
Kilogram.
Pound.
Watt.
Newton.
When air resistance balances the weight of an object that is falling, the velocity
remains constant.
slowly decreases.
rapidly increases.
none of the above.
What is the reaction force when you place a bowling ball on a table?
The force of the ball on the table.
The force of the table on the ball.
The force of gravity on the table.
The force of gravity on the ball.
Which of the following is not a factor in calculating momentum?
mass
acceleration
direction
speed
Whenever an object is standing still, which value is always zero?
speed
momentum
velocity
all of the above
A tug-of-war that results in one team pulling the other across the line is an example of
balanced forces
reaction forces
action forces
unbalanced forces
A force is continuously applied to an object, causing it to accelerate. After a period of time, however, the object stops accelerating. What conclusions can be drawn?
The mass of the object has increased.
Gravity on the object has increased.
The object is experiencing some kind of friction.
The momentum of the object has reached a maximum.
Weight is best described as
a force solely dependent on an object’s mass.
the downward force exerted on an object due to gravity.
what causes an object to fall.
an object’s resistance to acceleration.
Which of the following units is used to measure acceleration?
m/s
m
s2m
s2m2
Which of the following is true?
Weight and mass are proportional but not equal.
Weight is gravitational force an object experiences due to its mass.
The weight of an object on Earth is greater than the weight of the same object on the moon, but the object’s mass stays the same.
all of the above
The tendency of an object at rest to remain at rest is
inertia.
laziness.
momentum.
acceleration.
Near Earth’s surface, an object’s free-fall acceleration increases as its
mass increases.
speed increases.
weight increases.
None of the above
Which two measurements do you need to determine the speed of an object?
Position and Reference point
Distance and Reference point
Distance and Time
Distance and Velocity
Which of the following is NOT an example of acceleration?
Driving at a steady speed and turning left.
Driving at a steady speed and then slowing down.
A change in velocity from 40km/h to 65 km/h
A car moving at a steady speed of 60 km/hr.
What is motion?
the location of an object
the change in position over time
distance divided by time
the velocity of an object
How do you calculate average acceleration of an object?
Subtract the final velocity from the initial velocity and divide by time
Subtract the initial velocity from the final velocity and divide by time
Add the the two distances and divide by the total time
Divide distance by time
What is acceleration?
A change in position over time.
The rate at which one quantity distance changes compared to another quantity time
The rate at which velocity changes
A measure of how far something moves in a given amount of time.
If a truck travels at a steady velocity, will there be any acceleration?
Yes
No
In a race, Taylor ran the first 50 meters in 33 seconds and the second 50 meters in 32 seconds. What is his average speed during the race?
Speed = distance / time
1.54 m / sec
1.53 m /sec
1.52 m / sec
0.65 m / sec
The rate at which velocity changes is called?
Speed
Acceleration
Position
Motion
Calculate the average acceleration of a car given the following information:
Initial velocity 10 m /sec
Final velocity 55 m /sec
The change in velocity took 3 seconds
18.33 meters per second squared
21.67 meters / second squared
15 meters / second squared
If a graph of an objects motion shows a line falling from left to right, the acceleration is ?
Positive
Negative
Zero
If the graph of an objects motion shows a horizontal line, the objects acceleration is
Positive
Negative
Zero
If the graph of an object's motion shows a line rising from left to right, the acceleration is
Positive
Negative
Zero
An object is in motion if it changes position relative to what?
its speed
a reference point
its total distance
its acceleration
A measure of how far something moves in a given amount of time is called?
distance
acceleration
speed
motion
Speed in a specific direction is called
velocity
motion
speed
position
An object is accelerating if what happens?
Its speed changes
It is slowing down
Its direction changes
All of the above
An increase in velocity is called what type of acceleration?
Positive
Negative
Zero
Acceleration in a circular motion is called
Positive
Negative
Centripetal
Zero
The distance traveled by an object divided by the time it takes to travel that distance:
average velocity
average speed
average acceleration
motion
When the velocity of an object changes, it is acted upon by a(n)
force
inertia
momentum
deceleration
The combination of all of the forces acting on an object is called the _____________________.
total force
union of forces
super force
net force
If the net force on an object is zero, then the object will:
accelerate in the direction of the stronger force.
remain at rest or at constant velocity.
begin moving backwards.
have negative acceleration.
When an object has a net force of zero, the object has:
reaction forces.
action forces.
balanced forces.
unbalanced forces.
Which of these is a displacement?
15 inches.
6 m/s.
10 miles towards Childersburg.
3 meters per second squared.
A graph of an object's distance vs. time shows a straight line. What does this mean?
Negative acceleration.
Constant velocity.
Static motion.
Kinetic friction.
A graph of velocity vs. time has a straight line for a plot. The slope is calculated. What does the slope mean?
speed
velocity
inertia
acceleration
A tug of war ends with the sophomores pulling the juniors across the line. What does this show?
Balanced forces.
Unbalanced forces.
Action forces.
Reaction forces.
___________________ is a speed in a certain direction.
Acceleration
Friction
Momentum
Velocity
Which of the quantities below represents a velocity?
25 m/s
10 km/min
15 miles/hr eastward
3 miles/second
Which of the following is not caused by a net force?
starting up a bicycle that was previously not moving.
changing a bicycle's speed while it is moving in a straight line.
Changing a bicycle's direction while it is moving at constant speed.
keeping a bicycle going in a straight line while at constant speed.
At the end of a game, a basketball player on the winning team throws the basketball straight up as high as he can throw it. At the top of its path, the basketball's velocity is
0 m/s
10 m/s up
10 m/s down
There's not enough information to determine its velocity.
