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