Force and Motion 1
What is a force?
A push or a pull
What causes you cell phone to use more energy (drain battery faster)?
Brighter with loud sounds
Dimmer with low sounds
brighter with loud sounds
When a paper airplane starts to fall, how are the forces of gravity and of air affecting it?
The upward force of the air is weaker than the downward force of gravity.
Im hitting a puck on the ice. As I hit the puck harder, the travel distance________ and the puck received ________.
Increase or decrease
More energy or less energy
increased, more energy
What type of energy causes a match stick to light?
Mechanical
A person is hanging from the monkey bars. How are the forces affecting the person?
The forces on the person are______ in strength and ________ in direction. So the forces_________ the motion of the person.
equal, opposite, do not change
A force that resists movement
What is friction?
Do unequal forces cause items to move or not move?
move
What is the purpose of the light bulb in a circuit?
transferring electric energy into light
What happens if there is no force acting upon an object?
It will continue to move at the same speed in the same direction.
When a flash light is turned on, what type of energy transformation occurs?
chemical to electrical
Is light and thermal the only types of energy that a campfire has?
no, sound when it crackles
During our balloon experiment, how could I increase the force that moves the balloon?
blow more air into it
Electrical energy flows through ______ of the electrical circuit.
some parts
all parts
all parts
What force causes a matchstick head to light?
Friction
Is it possible for chemical energy to be transferred into mechanical energy? Give examples.
Yes, battery powered fan, RC car, drone, etc.
Give an example of electrical energy being transformed into thermal energy?
microwave, stove, toaster
What types of energy transformations occur in a solar powered neon sign?
light to electrical to light
What type of energy transformation occurs in a blender?
electric to mechanical (would take sound)
This is the force that pulls things to the center of the earth.
What is gravity?
What type of energy does your cell phone battery have?
chemical
What is the purpose of a battery in a circuit?
provide energy or power
What is the purpose of the wires in a circuit?
transferring electric energy throughout
A force that causes something to move...
What is an Unbalanced Force?
As a ramp gets steeper, does friction increase or decrease?
Decrease