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WorksheetsMotion & Forces Unit Review
Total questions: 53
Worksheet time: 44mins
Which statement is a correct explanation for balanced forces acting on an object?
The speed of the object decreases.
The direction of the object changes.
The speed of the object increases.
The motion of the object stays the same.
What unit of measuremen t do we use for force?
Inches
Meters
Newtons
Seconds
Choose which scenerio best explains the graph.
Aidan ran at a steady pase for 2 hours. He then rested for 30 minutes before he began running again at an accelerated speed.
Aidan ran for 1 hour. He then stopped for a rest for an hour before going back home.
Aidan rested as much as he walked on this trip.
Aidan ran a steady pase for two hours. He then rested for 30 minutes before walking the rest of the trip.
What is the formula to calculate speed?
speed x time
distance x time
distance /time
time/distance
What is the formula to calculate distance?
speed x time
speed/time
speed + time
speed - time
What is the formula to caculate time?
speed/distance
speed x distance
speed - distance
distance/speed
When the Net force is 0, which way will the object move?
to the right
to the left
it will not move in either direction
17. The graph shows how far three runners were at different times of the race. During what part of the race did runner C move the fastest?
0 - 1.5 seconds
3 - 4.5 seconds
6 - 7.5 seconds
12 - 14.5 seconds
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
What two things does gravity depend on?
Mass and weight
Weight and distance
Mass and force
Mass and distance
Under what condition will a bowling ball slow down if it is rolling down a bowling lane at a constant speed?
An accelerating force is applied to the ball.
An unbalanced external force is applied to the ball.
The mass of the ball is reduced.
The direction of the ball is changed.
In what has become an all too regular occurrence, another elephant has been seen chasing a mouse. The mouse can run much faster than the elephant and the elephant is much more massive than the mouse. Why can the mouse change directions quicker than the elephant?
Because the mouse has a greater speed.
Because the mouse has less mass.
Because the elephant has a smaller speed.
Because the elephant has less mass.
when an object changes its position compared to a reference point.
acceleration
speed
motion
reference point
total distance traveled divided by total time taken to travel that distance
velocity
motion
acceleration
average speed
the rate at which speed or velocity changes
acceleration
average speed
motion
reference point
Is this a speed or acceleration graph?
speed
acceleration
Is this a speed or acceleration graph?
speed
acceleration
A runner crossed the 1 mile marker of a race running at a speed of 9 miles per hour. She crossed the finish line running at a speed of 9.8 miles per hour. This is an example of...
positive acceleration
negative acceleration
no acceleration
There are _________ types of friction.
2
1
4
5
An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?
Down
Up
Around the object
Through the object
A force which causes objects to fall is
weight
gravity
air resistance
absorbency
Complete the sentence.
It is not the difference in gravity that causes objects to fall at different speeds, it’s the difference in the amount of__________________.
Gravity
Mass
Air resistance
If you jump out of an airplane, which two forces are acting on you?
Gravity and friction
Force and gravity
Gravity and Air Resistance
When you drop a hammer and a feather on the moon what will happen? There is no air on the moon.
They will hit at the same time
The hammer will hit first
The feather will hit first
What is a parachute designed to maximize?
Gravity
Air Pressure
Air Resistance
Thrust
Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.
All will have equal air resistance force.
When will the forces of gravity between two objects be the GREATEST?
when the masses of both objects are small and the objects are far apart
when the masses of both objects are large and the objects are close together
when the masses of both objects are small and the objects are close together
when the masses of both objects are large and the objects are far apart
Which statement about gravity is true?
gravity causes objects to pull towards one another
gravity causes objects to push away from each other
gravity only takes place between planets
the moon doesn't have any gravity
