Force
Motion
Laws
Friction
100
Which force pulls you down a playground slide?
Gravity!
100
This must be applied to an object to move it.
PUSH or a PULL.
100
True or False: An object in motion will stay in motion.
TRUE
100
what is friction
The force that resists motion between two surfaces.
200
A hockey puck is at rest on the ice. Why does it take only a slight amount of force to move the puck across the ice
Ice has little to no friction to stop the puck
200
If a car is speeding up, its initial speed is ____________(more or less) than its final speed
Less
200
What is the third law of motion
every action has its equal opposite reaction
200
if a ball is moving forward, what force stops it?
friction
300
In the following example, what is the unbalanced force: A car is driving down the street, but comes to an abrupt stop when it hits a tree.
the tree
300
Charlene kicked the winning goal in her last soccer game. What force acted between Charlene's foot and the ball to cause the ball to move?
Push
300
Which of Newton's laws states: That an object at rest will stay at rest and an object in motion will stay in motion at a constant velocity, unless acted upon by an unbalanced force. A.1st B.2nd C.3rd
1st
300
True or False. Using snow tires on an icy road is an example of increasing friction.
True
400
Examine the image. The bat is making contact with the ball. How is energy being transferred.
Kinetic energy is getting transferred to the ball
400
a hockey puck will slide farther on ice than on pavement
Variable:_______
Friction
400
what is inertia
Inertia is an object's "laziness" or resistance to changing its speed or direction. (or any other acceptable answer.
400
Name one way friction is helpful in everyday life.
e.g., walking, braking a bike, gripping objects.