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.
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
True or False: Gravity is a force that pulls objects down to Earth.
True
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
A soccer ball is at rest on the ground. When a force is applied to it, it moves. If larger force is applied to it, how will the motion of the soccer ball change?
A. The ball will move slower.
B. The ball will move farther with move faster.
C. The ball will come to a stop.
C. The ball will move faster.
300
I have a change in speed, but NOT direction, is this acceleration? Y/N
Yes
300
Gravity can be overcome by using more of this?
What is force?
400
Who discovered the laws of motion?
Sir Isaac Newton
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
Force can...
1. Keep an object at rest (not move).
2. Make an object M______.
3. Change the object's ___irection.
4. Slow down or ___top the moving object.
1. Keep an object at rest (not move).
2. Make an object move.
3. Change the object's direction.
4. Slow down or stop the moving object.
500
IF I throw a house, a skyscraper, and a volleyball at you, list these things in order of difficulty to stop. (ex. Easiest to stop will go first, hardest to stop will go last).
Volleyball, house, skyscraper
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
Calculate the net force needed to accelerate a 1,700 kg car forward at 3.5 m/s^2
5,950 N (newtons)
600
What non-contact force pulls a ball back to earth?
Gravity
600
Name the Contact Force & Non-Contact Force in the scenario.
A girl throws a baseball into the air. The ball falls to the ground.
Contact Force: girl throws the ball
Non-contact force: ball falls to the ground (gravity)
600
A giant boulder sitting in the woods.” is an example of...
Inertia
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