The forces are NOT equal in strength. Balanced or Unbalanced Forces?
Unbalanced
The air that is closest to the surface of the earth has the _______ air pressure.
highest
Rough surfaces produce less friction than smooth surfaces. TRUE or FALSE?
False
The forces create a change of motion or shape. Balanced or Unbalanced Forces?
Unbalanced
An object with a ______ area will exert a higher pressure.
smaller
Which image will exert a higher pressure. A or B?
B
What is area measured in?
Square meters
List one activity that use low friction (smooth surface).
Skiing, Sliding down a slide, Skateboarding
Pressure is the amount of _______ divided by the area it is applied to.
pushing force
List two activities that use high friction (rough surface)
Hiking, Climbing, Riding a bike
Friction always acts in the _______ direction to that in which the object is moving.
opposite
Why do scuba tanks have high air pressure?
So people can breathe for longer under water.
What is force measured in?
Newtons
The forces create no movement. Balanced or Unbalanced?
Balanced
The total force on the object is zero. Balanced or Unbalanced Forces?
Balanced