force
contact forces
applying force
contact non-contact
simple machine
100
what is force?
What is a push or pull on an object.
100
give 3 examples of contact forces
what is , friction, push, pull, tension, air resistance, normal, spring force......
100
what are 3 examples of applying a force on object?
What is pushing, pulling, squeezing, lifting, stretching, pressing .....
100
True or false. gravity is a contact force because when I drop a pencil it falls to the floor.
what is false
100
what simple machines do in life?
what is : reduces our effort in lifting or moving objects.
200
forces can
make an object move,
stop an object from moving?
what is true
200
kahel squishes a spring in his toy, it bounces back making the toy move.
what is the force that made the toy move?
What is spring force
200
what is the direction of the applied force in the picture?
what is from left to right
200
true or false
lightening force is electrical force, so it is a non-contact force
what is true
200
3 different simple machines
what is the wedge, levers, wheels, incline planes, screws, pulleys.....
300
forces can't change the size and shape of an object
what is false
300
list 3 contact forces you applied today
what is push door, pull, friction, lifting, spring clipboard, tension, air resistance, normal force
300
what is the direction of applied force?
what is all directions
300
my book is sitting on the table, what force is applied from the table to the book?
what is normal force.
300
what type of simple machine is a jar lid:
what is a screw.
400
how does a force affect an object's movement?
Misha wrote down the list below, which one is Wrong?
1, change the size of an object
2. change speed, make it move, stop it, or change direction
3. make an object float in the air
4. make an object change color
what is No 4 change color
400
a bulldozer makes a ______ _________force
what is a strong pushing force.
400
one team won our class tug-of-war game. are the applied forces balanced or non-balanced in this game?
what is non-balanced
400
when kait is diving, the pressure she had from water is a contact force. the direction of the force is ____
what is all direction
400
what simple machine is an ulu?
what is a wedge
500
when an object is not moving, what will make it move?
what is a force (push or pull)
500
applied forces can:
A. make an object move
B. make an object move faster
C. change the shape or size of an object
D. make a moving object slow down or stop
E. not make a change to an object
F. all above
what is F
500
the two objects in the picture are not moving, which box has a balanced force, the top box or the bottom box?
what is both
500
if an object is not moving, the forces applied to it are balanced or non balanced?
what is balanced
500
what are 3 simple machines indigenous people used in generations?
what is antlers, paddles, ulu, arrowhead, bow and arrow, horse and travois....