Friction
True or False. A bike on grass is a form of friction?
true
True or False: Does gravity hold us on the earth?
True
If you say,"A bird is going 30mi/hr west." you are stating its _______.
What is Velocity
True or False: An object in motion will stay in motion.
What is True
Which is a form of decreasing friction intentionaly? A. Putting snow tires on a car when the road is icy. B.Oil on a a squeaky door hinge. C.Wearing cleats in field sports. D.None of the above.
What is B.Oil on a squeaky door hinge?
What is the measurement of the force of gravity on an object?
What is weight
True or False:Velocity is the time it takes for a change to happen?
What is False.
A rocket taking off is an example of which of Newton's laws? A.1st B.2nd C.3rd
What is 3rd
What is the definition of friction? Be close to the answer for credit.
What is when two surfaces rub together and prevents or slows motion.
What is the force that acts between any two masses and pulls them together?
Gravity
True or False: acceleration is speed times inertia.
What is False
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
What is 1st
True or False. Using snow tires on an icy road is an example of increasing friction.
True
True or False: A corn dog will fall faster than a peanut?
What is False
What type of friction is riding a bike to school?
Which of Newton's Laws states: That for every action there is an equal and oppostite reaction. A.1st B.3rd C.2nd D.The law of Harrison Ford
What is 3rd
Name all the types of friction
Static friction, sliding friction, rolling friction, fluid friction
When an object is falling and no other force is acting on it besides gravity that is....
free falling
True or False: Friction decreases speed.
What is True.
True of False: Force equals mass times acceleration.
What is True