Forces
Gravity
Newton's Laws
Mix it up
Vocabulary
100
What type of force is needed to make an object move?
unbalanced force
100
No matter where you are on Earth, all things will fall
all things will fall downward
OR
all things will fall down to Earth
100
What law explains inertia?
Newton's 1st law
100
What do you use to measure mass?
Triple-beam-balance
100
Which Newton's law matches this demonstration?
Newton's 3rd law
200
Forces can _____________ or ____________ on an object.
push or pull
200
At the Physics Force show, the lady threw one ball to the side, and dropped the other ball. What was she deomonstrating?
Gravity
OR
both balls will land at the same time
200
What is inertia?
something at rest will stay and rest until a force moves it.
AND
something moving will continue moving until a force stops it.
200
What is the unit for force?
Newton (N)
200
What type of force does not cause motion?
balanced force
300
What type of force does not cause motion?
Balanced forces
300
True or False:
1 ton of bricks will fall faster than 1 ton of ping pong balls.
False - both will fall at the same speed.
300
Looking at Newton's second law, if something has a greater mass, will it increase the force?
Yes
F = mass x acceleration
300
What is the unit for mass?
grams (g)
300
What is all the stuff inside something called?
matter
400
What is happening in this picture?
for every action, there is an opposite and equal reaction.
400
How do you find someone's weight on Earth?
Mass x Gravity
400
Which law does this demonstrate?
Newton's 1st law
400
What is the net force?
What direction will the car move?
Net force = 3N
Car will move to the right
400
What did Physics Force do to show examples of waves?
sound waves with the fire/candles
jump rope
500
What type of force made the smoke rings at Physic Force?
air pressure
500
What is the force (speed) of gravity on Earth?
9.8m/sec2
500
If something is 100kg of mass, how much would it weigh on earth?
980 m/s2
500
What force was this demonstrating?
air pressure
500
Which one has the greatest gravity:
Earth
Sun
Moon
the SUN