Basic physics
I am a push or a pull. What am I?
Force
What is the SI unit for length?
Meter (m)
What force pulls objects toward Earth?
Gravity
Complete the formula:
F = m × ____
a
Formula: Force = mass × acceleration
I am a force that slows things down when surfaces rub together.
friction
I describe how fast something is moving.
Speed
What is the SI unit for mass?
Kilogram (kg)
What is a change in an object's position called?
motion
Complete the formula:
Speed = Distance ÷ ____
Time
What type of force opposes motion between surfaces?
Friction
I am the amount of matter in an object.
Mass
What is the SI unit for time?
Second (s)
What tells us how quickly an object's speed changes?
Acceleration
Complete the formula:
Density = Mass ÷ ____
Volume
What is a turning force called?
Torque
I am the amount of space an object takes up.
Volume
What unit is commonly used to measure force?
Newton (N)
What is the difference between a scalar and a vector?
A scalar has size/magnitude only; a vector has size/magnitude and direction.
What quantity does this formula calculate?
v = d ÷ t
Speed
What point does an object turn around?
Pivot
I am how much mass is packed into a certain volume.
Density
What does SI stand for?
International Symbol of Units
What type of quantity has both magnitude and direction?
Vector
What quantity does this formula calculate?
F = ma
Force
What is the simple formula for turning force/torque?
Torque = Force × distance from the pivot
Formula: T = F × d