Formulas
Force diagrams
Random
Converting units
100
What is the formula to calculate speed?
Speed = distance ÷ time
100
Are the forces balanced or non balanced?
Balanced
100
What unit is acceleration measured in?
m/s2
100
How many cm in 2 meters?
200 cm
200
What is the formula to calculate acceleration?
Acceleration = speed ÷ time
200
What force makes a car move?
Thrust force
200
What was the name of the scientist that the unit for force is named after?
Isaac Newton.
200
How many seconds in 5 minutes?
300 s
300
What is the formula to calculate force?
Force = mass x acceleration
300
On a force diagram, if an object is moving at a constant speed, are the arrows the same size or different?
Same size
300
What unit is pressure measured in?
Pascals (Pa)
300
How many meters in 2.6 km?
2,600 m
400
What is the formula to calculate pressure?
Pressure = Force ÷ area
400
For an accelerating object, which arrow is largest?
The push/thrust arrow
400
Why do objects not move forever on Earth like they do in space?
Because of friction.
400
How many seconds in 6 hours?
21,600 s
500
What is the formula to calculate area?
Area = force ÷ pressure
500
For a car that is travelling along the road, what would the 4 force arrows be labelled?
1. Thrust
2. Friction
3. Weight / gravity
4. Support force
500
What is Newton's 1st law?
A moving object continues its state of motion unless acted upon by an external net force.
500
How many cm in 3 km?
300,000 cm