True or False. A bike on grass is a form of friction?
What is true?
100
True or False: Does gravity hold us on the earth?
What is True
100
If you say,"A bird is going 30mi/hr west." you are stating its _______.
What is Velocity
100
Which of Newton's 3 laws does this statement pertain to? "An object in motion will stay in motion."
What is Newton's 1st
100
True or False: An unbalanced force doesn't affect motion.
What is False
200
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)?
200
What is the measurement of the force of gravity on an object?
A. Pounds
B. Weight
C. Kilograms
D. Grams
What is weight
200
What are the two formulas for speed (with a graph and without a graph)?
What is S=d/t and S=y2-y1/x2-x1
200
A student sitting in a chair is an example of which of Newton's laws?
A.1st
B.2nd
C.3rd
What is the 3rd
200
Which object has the MOST inertia?
A. 20 pound bookbag
B. A boulder
C. A professional wrestler
What is a boulder
300
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.
300
What is the force that acts between any two masses and pulls them together?
A. Unbalanced force
C. Balanced force
D. Gravitational force
What is Gravitational force
300
What is the unit for acceleration?
What is meters per second squared
300
Newton's 2nd law of motion states what?
What is Force is equal to mass times acceleration
300
A car is pushed to the right with 400N and pulled to the left with 280N. What is the Net Force and direction?
What is 120N to the right
400
True or False. Using snow tires on an icy road is an example of increasing friction.
What is True
400
True or False: A corn dog will fall faster than a peanut?
What is False. Gravity pulls both objects at the same rate (9.8 m/s)
400
Mr. Jackson traveled 40 yards in 2.5 seconds. What was his speed?
what is 16 yards per second?
400
Mass=42kg
Acceleration=5m/s squared
F=?
What is 210N
400
______is a force that does not cancel one another out.
A.balanced force.
B.unbalanced force
C.gravitational force
What is B.
500
Choose the true statement.
A.Friction takes place when you go down a slide.
B.Friction takes place when you try to go down a street block on a metal sled.
What is B.
500
Gravitational force depends on _______________ and ________________
What is Mass and Distance
500
Find the speed when given two points: (8,16) , (12,32)
What is 4 meters per second squared
500
A tow truck pulls a car with a net force of 4,500 Newtons. The car’s acceleration is 3 m/s2. What is the mass of the car? (think how you could rearrange the formula to find this)
What is mass=1,500 kg
500
What is a balanced force? Give the closest answer possible.
What is Equal forces that act in opposite directions on an object and cancel one another out.