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- 1. Multiple Choice
What causes objects to move?
Balanced forces
Unbalanced forces
Zero Gravity
Inertia
- 2. Multiple Choice
A rocket's action is to push down on the ground with the force of its powerful engines. The reaction is that the ground pushes the rocket upwards with an equal force, but opposite in direction. Which law best explains this event?
1st Law - The Law of Inertia
2nd Law - The Law of Acceleration
3rd Law - The Law of Action/Reaction
The Law of Gravity
- 3. Multiple Choice
A person pushes a bowling ball 10 meters and then pushes a tennis ball 10 meters. Which push requires more force and why?
The bowling ball because it has less acceleration
The tennis ball because it has a greater acceleration
The bowling ball because it has a greater mass
The tennis ball because it has less mass
- 4. Multiple Choice
When you slide a box across the floor what force must our push force be stronger than?
gravity
friction
support force
- 5. Multiple Choice
What unit is used to measure force?
inches
centimeters
grams
Newtons
- 6. Multiple Choice
The moon has a smaller mass than Earth. How does the moon's gravity compare to Earth's gravity?
The moon's gravity is greater than Earth because the moon has more mass.
The moon's gravity is less than Earth because he moon has less mass.
The moon and Earth's gravity are the same because gravity is a constant force.
The moon does not have gravity because it is in outer space.
- 7. Multiple Choice
The moon has a smaller mass than the Earth. If you were to jump on the moon, your jump would
be the same as a jump on Earth
be smaller than a jump on Earth because there is more gravity on the moon
be larger than a jump on Earth because there is less gravity on the moon
change depending on the time of day
- 8. Multiple Choice
A roller coaster takes off at a high speed. Your feel yourself thrown back against your chair because of your
mass
gravity
force
inertia
- 9. Multiple Choice
Which law of motion?
It is harder to push a full grocery cart than an empty grocery cart.
1st Law - Law of Inertia
2nd Law - Law of Acceleration
3rd Law - Law of Action/Reaction
Law of Gravity
- 10. Multiple Choice
Which law of motion?
A car stops suddenly. The passengers are thrown forward until they are caught by their seatbelts.
1st law - Law of Inertia
2nd Law - Law of Acceleration
3rd Law - Law of Action/Reaction
Law of Gravity
- 11. Multiple Choice
Which law of motion?
A balloon releases its air and flies across the room in the opposite direction
1st Law - The law of inertia
2nd Law - The law of acceleration
3rd Law - The law of action/reaction
The law of gravity
- 12. Multiple Choice
What two things do you need to know to calculate the speed of an object
distance and time
distance and mass
time and mass
force and distance
- 13. Multiple Choice
Speed is how fast an object is moving while velocity is
speed with acceleration
speed with a direction
speed of an object plus the mass
speed of an object plus the gravity
- 14. Multiple Choice
The speed of an object is found with this formula: S=D/T
A person on a bicycle travels 20 miles in 2 hours. What is the person's speed
40 mph
22 mph
10 mph
18 mph
- 15. Multiple ChoiceYou push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.20N40N10N70N
- 16. Multiple Choice
Any change in an object's speed or direction
Inertia
Force
Acceleration
Reaction
- 17. Multiple Choice
Balanced or Unbalanced?BalancedUnbalanced - 18. Multiple Choice
A force that opposes motion between any surfaces that are touching.
velocity
friction
inertia
position
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