Force
Motion
Skittles
Saxons
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.
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
True or False?
Gravity is the force that pushes two object away from each other.
False
Gravity pulls two objects towards each other.
300
Newton's first last of motion states:
a. an object at rest will stay at rest
b. an object at rest will change direction
c. an object in motion with stop
a. an object at rest will stay at rest
300
CONTACT OR NON-CONTACT FORCE?
The magnetic needle of a compass always points north.
A. Contact Force
B. Non-Contact Force
B. Non-Contact
300
What is more reliable in physics: weight or mass?
Mass
300
Which two factors impact the force of gravity?
Mass and Distance
400
True or false?
Whatever you pusll or pull will always be pushing or pulling back on you.
True
400
Rubbing two rocks together is an example of what?
Friction
400
True/False:
Action and reaction forces DO NOT cancel out because they act on different objects
True
400
The force of Earth's gravity pulls everything to
a. the edge of the Earth
b. the center of the Earth
c. away from the Earth
b. The center of the Earth
500
What is acceleration?
How fast an object moves.
500
Which of the following is an example of friction?
1. kicking a ball
2. Speeding up your car
3. erasing a mistake on a test
3. erasing a mistake on a test
500
What is Newton's third law of motion?
For every action there is an equal and opposite reaction.
500
Name a surface with high friction.
Answers may vary