force and motion 1
force and motion 2
force and motion 3
force and motion 4
force and motion 4
100
what is force
push or pull
100
This is a measure of how fast something moves through a distance in a given amount of time.
speed
100
50m/s What's the units?
m/s (meters/second)
100
Which is faster- 5 m/s or 10 m/s?
10 m/s
100
What is the unit for force?
Newtons
200
what is a balance force
What is when 2 forces act on something but there is no movement.
200
what is friction
A force that slows down objects when they rub against each other
200
What is the net force?
0 Newtons
200
What is one way to make a cart go faster?
push it harder
200
Who discovered the laws of motion?
Who discovered the laws of motion?
300
what is motion
a change in position
300
Which has more friction: walking on a floor in bare feet or socks?
walking on a floor in bare feet?
300
The force that pulls objects towards the center of the Earth
gravity
300
True or false: There is no gravity in space.
false
300
What is the speed of a car that travels 30 miles in 5 minutes?
6 miles per minute
400
What is an unbalanced force?
when 2 forces act on an object and there is movement.
400
50 N right and 60 N left will result in.
10n left
400
Which would have more gravitational force acting on it- a dog or a bee?
dog
400
Interpret the graph below?
constant speed
400
This is the force of attraction among all objects with mass
gravity
500
What is the formula to calculate speed?
What is distance divided by time
500
What is the following graph illustrating below
an object is accelerating
500
How will this object move?
it will move to the right
500
If the 5th grade is playing tug of war in gym and no one is moving, is this a balanced or unbalanced force?
balanced force
500
Causes an object to start or stop moving, accelerate or change direction.
Unbalanced Force