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General
Friction
Mass and Weight
Laws of Motion
100
Name three different types of force.
- Gravity (tyngdkraften) - Muscular (musklerna) - Mechanical (mekanisk) - Magnetic (magnet) - Friction (friktion) - Elastic (elastika förem)
100
Does chalk on a gymnast's hands INCREASE or DECREASE friction?
What is Increase
100
how much matter something has is called its...
What is mass
100
A still object will not move unless something moves it
What is the first law of motion
200
The name of the device used to measure force
What is a dynamometer
200
Does resin on ballet shoes increase or decrease friction?
What is increase
200
The measure of gravity's pull on something.
What is weight
200
A child is easier to push on a swing than an adult. Which law of motion explains this?
What is the second law of motion
300
What unit is force measured in?
What are Newtons.
300
Does water in a slide increase or decrease friction?
What is Decrease
300
Measured in grams or kilograms
What is mass
300
During car accidents, people can be thrown from the vehicle if they do not have their seatbelts on. What law of motion explains this?
What is the first law of motion
400
What is used to represent forces in pictures?
What are arrows.
400
Do barnacles on the bottom of a ship increase or decrease friction?
What is increase?
400
Measured in Newtons
What is weight
400
If two hockey players push into each other, they will both go backwards a little bit. What law of motion explains this?
What is the third law of motion
500
The name for when things move or change positions
What is Motion.
500
Does oil in a car increase or decrease friction?
What is decrease
500
If you have a mass of 10 kg, what will your mass be on the moon?
What is 10 kg
500
A rocket ship's exhaust shoots downward, making the rocket shoot up into the sky. What law of motion explains this?
What is the third law of motion