WorksheetsChange in Motion (PS2-2)
Total questions: 38
Worksheet time: 1hrs 5mins
A person pushes against a wall with 15N of force. The wall doesn't move. The wall exerts how much force on the student?
15N
greater than 15N
less than 15N
0N
What would cause the person on the right to change position?
The force applied by the two people on the right would have to be greater than 200N.
the force applied by the two people on the right would have to be less than 200 N.
The person on the left would need to turn around
It is impossible
In what direction with the box move?
right
left
up
down
In a game of tug-of-war, there is a force pulling to right with 70N and a force pulling to the left with 68N. What will be the resulting motion?
to the right
to the left
no motion
everyone will move in the direction they are pulling
There is a book sitting at rest on a chair. Which of the following is true?
There are many forces acting on the book, but they balance each other out
The book exerts no force on the chair
The chair exerts no force on the book
all of these
The wagon is slowing down due to friction.
balanced forces
unbalanced forces
Three people can move a piano easier than two people. This demonstrates which of Newton's Laws of Motion?
Newton's 1st Law (Inertia)
Newton's 2nd Law (F= m x a)
Newton's 3rd Law (Action Forces & Reaction Forces)
A push or pull that can change the motion of an object
motion
force
direction
mass
The measure of how much matter is present in a substance
motion
force
direction
mass
The sum of all the forces acting on an object
motion
force
net force
mass
The unit of measurement for force
reference frame
Newton
net force
acceleration
A change in motion caused by an unbalanced force acting on an object; can include increasing speed, decreasing speed, or changing direction
speed
motion
velocity
acceleration
Will it take more force to push an empty shopping cart or a shopping cart that is full?
The empty shopping cart
The full shopping cart
They will take the same amount of force
Objects with MORE mass have...
MORE inertia
LESS inertia
the SAME amount of intertia
Objects with more mass are..
harder to speed up or slow down
easier to speed up or slow down
Objects with less mass are...
easier to speed up or slow down.
harder to speed up or slow down.
Complete the excerpt of Newton's First Law of Motion
"An object in motion will ________ until it is acted on by an unbalanced force."
...stay in motion...
...stop its motion...
...increase its motion...
...decrease its motion...
Is the Net Force balanced or Unbalanced?
Balanced
Unbalanced
What is Force?
A pull exerted on an object
A push exerted on an object
A push or pull exerted on an object
Nothing
With unbalanced forces, the object will move in the direction of the _______ force.
equal
smaller
larger
If there are two forces going the same direction , how would you combine them to find the Net Force>
Add them
Subtract them
Multiply them
Divide them
You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?
20 N, to the left
20 N, to the right
10 N, to the right
10 N, to the left
When a student runs and kicks a ball, they have applied an ___________ force to move the ball.
Balanced
Magnetic
Spring
Unbalanced
When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.
acceleration
force
weight
magnets
Which law of motion says that you must push or pull objects harder if they have more mass?
1st
2nd
3rd
4th
Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.
1st law of motion
2nd law of motion
3rd law of motion
13th law of motion
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
The Law of Inertia (1st law)
The Law of Acceleration (2nd law)
The Law of Conservation of Momentum
Action Reaction Law (3rd law)
What Unit do we Measure Force in?
Newtons
Joules
Force
Kilograms
The more mass an object has, the _______ force it takes to accelerate it.
more
less
For every action, there is an equal and opposite reaction.
True
False
Which is an example of the law of inertia?
A rocket taking off from Earth
A crash test dummy flies through the windshield in a collision
A small rock skips on a pond faster than a large rock
Which is an example of the law of action/reaction?
A rocket taking off from Earth
A crash test dummy flies through the windshield in a collision
A small rock skips a pond faster than a large rock
Which is an example of the law of action/reaction?
When you let go of a balloon it flies away
A soccer ball accelerates faster than a bowling ball when kicked.
Blood rushes from your head to your feet when quickly stopping on an descending elevator.
What is another name for Newton’s 3rd law?
Law of Inertia
Law of Acceleration
Law of Action/Reaction
