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WorksheetsForces & Motion
Total questions: 60
Worksheet time: 50mins
A push or pull on an object from all directions is called . . .
speed
velocity
acceleration
force
Forces that cause a change in motion are . . .
gravity
friction
balanced forces
unbalanced forces
Forces on an object that are equal in size & opposite direction, cancelling each other out, are called . . .
unbalanced forces
balanced force
friction
gravity
A force that opposes motion (slows things down); can act between two objects that are touching, or between air & a moving object . . .
gravity
friction
balanced forces
unbalanced forces
The pulling force we experience all the time on earth.
gravity
friction
balanced forces
unbalanced forces
What is a force?
something Darth Vadar has
a push or a pull
something you can see
Force is measured in...
lbs
m/s2
grams
newtons
To calculate forces that are in the same direction you..
subtract them
add them
multiply them
divide them
To calculate forces that are in opposite (different) directions you...
add them
subtract them
multiply them
divide them
Inertia is...
an objects ability to change direction
an objects ability to move
forces depend on the mass and weight of the object
an objects tendency to resist change in motion
Which is an example of an unbalanced force?
a puppy sleeping on the couch
a poster hanging on the wall
a jar sitting on a shelf
a girl shooting a basketball
How does adding wheels to a chair make it easier to move around the room?
it helps increase the force of friction on the chair
it helps reduce the force of friction on the chair
they help increase the mass of the chair
they help reduce the mass of the chair
What happens when the same amount of force is applied to both sides of the box?
the forces are unbalanced and will move to the left
the forces are balanced and will move to the right
the forces are unbalanced and will remain at rest
the forces are balanced and will remain at rest
a push or pull on an object
magnitude
force
Newton
the combination of all forces acting on an object
motion
Newton
net force
Forces acting on an object that combine and form a net force that is NOT zero
balanced forces
unbalanced forces
velocity
When two or more equal forces act upon an object, resulting in no motion.
friction
balanced force
unbalanced force
inertia
When two or more unequal forces act upon an object, resulting in a change or in motion or direction.
balanced force
unbalanced force
inertia
friction
What type of force causes a reaction or movement?
balanced force
unbalanced force
Calculate the net force shown in the diagram?
41 N down
25 N up
16 N up
9 N down
Calculate the net force shown in the diagram?
6 N left
0 N
3 N right
6 N right
What is the net force in this example?
200 N left
125 N right
50 N left
75 N right
Assume that each person is pulling with 5N, which direction will the net force be?
Right
Left
Up
Down
Assume that each person is pulling with 5N, is this a balanced or unbalanced force?
Balanced
Unbalanced
If both people are exerting a force of 20 N, what is the net force?
20 N
40 N
400 N
0 N
If both people are exerting a force of 30 N, what is the net force?
30 N right
60 N right
60 N left
0 N
If the boy is pulling with a force of 10 N and the girl is pushing with a force 20 N, what is the net force on the box?
10 N left
20 N right
30 N right
0 N
What is the net force?
3 N left
3 N right
17 N right
17 N left
Who wins the tug of war with what net force?
The people on the left with 22 N
The people on the right with 22 N
The people on the left with 2 N
The people on the right with 2 N
Forces that have a net force of zero Newtons
Balanced force
Unbalanced force
What is the net force?
4 N left
16 N Right
16 N Left
1 N right
Which point has the most potential energy?
G
F
B
A
