Motion
Forces
Forces and Motion
Random!
100
Sebastian can run 100 meters in 12 seconds. What is his speed?
8.3 m/s
100
What is a force?
A push or a pull
100
When forces push or pull in different directions with the same amount of strength, the forces are said to be ____________.
Equal or balanced
100
An object at rest will remain at rest unless what?
Acted upon by an outside force
200
On a distance/time graph, what does the steepness of the line indicate?
Speed
200
An object in motion will __________________ unless _______________________.
remain in motion unless acted upon by an outside force.
200
Two teams are playing kickball. Tommy kicks the ball where it rolls far into the outfield. Before anyone can get it, the ball stops. What made it stop?
Friction
200
Calculate the average speed of line C
8 m/s
300
If a car goes from 30 mph to 50 mph, the motion would best be described as,
accelerating
300
A baseball player hits a pop-up ball. The ball soars high into the air but eventually falls. What makes it fall?
Gravity
300
Which has less friction? Carpet or ice?
Ice
300
This causes objects to move
Force
400
What does a horizontal line on a time/distance graph indicate?
standing still
400
When an unbalanced force acts upon an object, the object will move in which direction?
The direction the force is going.
400
An object with a greater mass requires what to move at the same rate as one with a smaller mass?
A greater force to move it.
400
Does this represent a balanced or unbalanced force? 
force is this picture showing?
unbalanced