Forces Flashcards
What is the correct equation for calculating speed?
Distance divided by time
What are the correct units for speed?
Meters per second
What is the correct equation for calculating time?
Distance divided by time
What is the correct equation for calculating distance?
Speed multiplied by time
What does a horizontal line in a distance-time graph show?
A stationary object
What does a steep line in a distance-time graph show?
A fast moving object
What does a gently sloping line in a distance-time graph show?
A slow moving object
What goes on the x-axis in a distance-time graph?
Time
How do you calculate the relative speed of objects moving in the same direction?
Fastest speed minus slowest speed
How do you calculate the relative speed of objects moving in the opposite direction?
Fastest speed add slowest speed
Which of these is the best way to measure a force?
A force meter
What is the unit of force called?
Newton, N
What can we say about the forces on an object that is not moving?
The forces must be balanced
What happens to the air resistance on a car as the car goes faster?
It increases
