Riding a bike on grass is an example of this type of friction.
What is rolling?
100
As objects move farther apart, gravitational force ________.
What is decreases?
100
Speed is calculated _______ divided by ________.
What is distance and time?
100
An object's resistance to change its motion is called ______?
What is inertia?
100
A/An _______ force is required to change an object's motion.
What is unbalanced (net)?
200
What two factors determine the amount of friction between two objects?
What is the type of surface and amount of object in contact
(mass, surface area, force pushing them together)
200
What is the measurement of the force of gravity on an object?
What is weight?
200
When we graph speed using distance and time, which variable goes on the y-axis (vertical)?
What is distance?
200
Newton's 1st Law of Motion is also called the Law of ______.
What is inertia?
200
What force opposes all motion?
What is friction?
300
What type of friction keeps an object from moving?
What is static?
300
An object with more mass will experience ________ gravitational force.
What is larger?
300
A car travelling at 30 /sec slows to a stop in 6 seconds. What is the car's acceleration?
What is -5 m/sec squared?
300
Newton's 2nd Law of Motion shows a direct relationship between acceleration and _________ and an indirect relationship between acceleration and _______.
What is applied force and mass?
300
Which way and with what force will a table move if a force of 25 N is pushing to the left and a force of 15 N is pushing to the right?
What is 10 N to the left?
400
Friction always acts _______ the objects motion.
What is opposite?
400
In our Pendulum lab we calculated the acceleration due to gravity. What was the value we were trying to achieve? (What number did we compare our answer to?
What is 980 cm/sec squared?
400
Give three ways an object can accelerate.
What is speed up, slow down, or change direction?
400
Which of Newton's Laws states: For every action there is an equal and opposite reaction?
What is 3rd?
400
If an object is moving at a constant speed all the forces on the object must be ______________.
What is balanced?
500
Friction of your hands rubbing together is an example of ________ friction.
What is sliding friction?
500
As you change locations on Earth your _______ changes with changes in gravity but your ______ stays the same.
What is weight and mass?
500
Velocity and acceleration are vector quantities which mean they must give _________.
What is direction?
500
What one property effects the amount of inertia of an object?
What is mass?
500
A man is pushing a box along the floor. Name three forces acting on the box.
What are friction, the applied force (man pushing), gravity, the floor pushing up on the box?