What is force
A push pull or twist
What is the equation for force?
F=ma
What is the measurement of Energy
Joules (J)
K.E. = 1/2mv²
What is the unit of measurment for mass?
Kilo Grams (Kg)
What is mass?
How much space something takes up
What is the equation for weight
W= gm
What energy is happening when water is boiling?
Heat Energy
What is the GPE equation?
G.P.E = mgh
If a box has 20 N pushing to the right and 20.6 to pushing to the left what is the net force?
0.6 pushing to the left ( ANSWER MUST BE FULL)
What is the unit of measurment for pressure?
Pascals (P)
Describe a situation where the forces are balanced.
Tug of war. (answers can be decided by orginizers)
What is the spelling of (J)?
J-O-U-L-E-S (Spelling)
If a bike is going up a hill what is the energy?
Kenetic Energy
What happens to a skydiver when their weight is equal to the air resistance?
It falls in a consistent speed.
Describe net force?
How much N is applied to an object
What is the gravity on Earth
10 m/s 2 ( ANSWER MUST BE THE SAME)
EXTRA POINT : 9.8 m/s2
Whta energy is in a torch?
Light energy
Is friction a PUSH or a PULL
PUSH
Name 2 contact forces
FRICTION, MAGNETIC ENERGY
Explain the difference between mass and weight.
Mass is the amount of matter in an object, measured in kg. Weight is the force caused by gravity, measured in N.
What is energy?
The power to do work or cause change
What sport did Mr. Sutton play in TANZANIA?
Floor ball/floor hockey
Give an example of "CHEMICAL ENERGY"
Car fuel, ect. (ANSWER WILL BE CHECKED BY ORGINIZERS)
What energy changes happen to a rubber band when it streches?
Chemical energy into Elastic potential energy