Force and Motion 1
Force and Motion 2
Force and Motion 3
Force and Motion 4
Force and Motion 5
100
What is a PUSH or PULL on an object?
Force
100
CONTACT or NON-CONTACT FORCE?
A boy using his foot to kick a soccer ball.
A. Contact
B. Non-Contact
B. CONTACT FORCE
100
The force that acts directly against the direction of motion, usually when two surfaces come in contact and rub against each other.
What is friction?
100
A golf ball rolls down a hill on the golf course. Which statement best describes how friction affects the motion of the golf ball?
A. Friction causes the golf ball to roll forwards and backwards.
B. Friction decreases how far the ball rolls.
C. Friction increases how fast the ball rolls.
D. Friction causes the ball to bounce.
B. Friction decreases how far the ball rolls.
100
The pull of gravity affects the objects what?
What is weight?
200
If these boys are each pulling with the force of 10 newtons. What will happen?
The boy in blue will win.
They will not move at all.
The boy in red will win.
They will not move at all. Balanced force is being applied.
200
- If a giant gorilla is leaning on a wall the force being put on the wall is _____________________ to the force being added by the gorilla.
- Equal
- Greater
- Smaller
Equal
200
What is a change in the velocity of an object considered?
ACCELERATION
200
When the speed of an object stays the same.
What is constant speed?
200
An objects location is its ________.
What is position?
300
Which of the following statements is true?
Balanced forces cause a change in position.
Unbalanced forces cause a change in position.
Forces do not affect position.
Unbalanced forces cause a change in position.
300
CONTACT FORCE or NON-CONTACT FORCE:
Using your fingers to play the piano.
A. Contact Force
B. Non-Contact Force
A. Contact Force
300
What is the distance traveled per unit of time?
What is SPEED?
300
I have a change in speed, but NOT direction, is this acceleration? Y/N
Yes
300
What do you call the speed AND direction of a moving object?
It's VELOCITY
400
What is the formula for Newton's second law of motion?
F=M*A
400
CONTACT OR NON-CONTACT FORCE?
The magnetic needle of a compass always points north.
A. Contact Force
B. Non-Contact Force
B. Non-Contact
400
What is more reliable in physics: weight or mass?
Mass
400
All magnets have 2 of these. They are called the north and south __________ of the magnet.
poles
400
In outer space, an object's ______ changes, but its _______ stays the same.
What is weight and mass?
500
What does Newton's law of Inertia state?
An object at rest (in motion) will stay at rest (in motion) unless acted on by another force.
500
IF 5 students push a block to the East with a force of 12 newtons and were joined by 3 more students who contributed 8 more newtons but we opposed by 7 students pushing the block westward with a force of 18 newtons, which direction would the block move and what is the net force?
The block would move to the east with 2 newtons of force.
500
True/False:
Action and reaction forces DO NOT cancel out because they act on different objects
True
500
1. What happens when the same poles of 2 different magnets are facing each other?
2. What happens when opposite poles of 2 different magnets are facing each other?
1. Same poles REPEL.
2. Opposite poles ATTRACT.
500
What is the average speed of a train that covers 80km in 1 hr, 200 km in 2 hrs, and 420 km in 4 hrs?
80 + 200 + 420 = 700
1 + 2 + 4 = 7
700/7 =
100 km/hr
600
What was the main objective of the lab we did; "Stopping on a Dime" and what 2 data points did we need to gather to find out the answer?
We had to find out where it was safe for the band to set up past the out of bounds line on a basketball court. To do that we needed to find the average speed and stopping distance of the "players"
600
An object or person that is used as comparison to determine if an object is in motion is called what?
REFERENCE FRAME
600
What is the basic understanding of Newton's 3rd law of motion?
For every action there is an equal and opposite reaction.
600
Name a magnetic metal
What is Iron?
600
What always changes when an object is in motion?
a. its direction
b. its speed
c. its mass
d. its position
D. Its position