'(Here's Bill Nye):<br />"It's hard to walk across ice because there's not much of this force that keeps your feet from slipping"'
Friction
THE FORCE: :<br />Its hard to walk across ice because theres not much of this force that keeps your feet from slipping
:<br />"It's hard to walk across ice because there's not much of this force that keeps your feet from slipping"
:<br />"It's hard to walk across ice because there's not much of this force that keeps your feet from slipping"
THE FORCE
Friction
THE FORCE