10 questions
Which are caused by the force of gravity? CHOOSE ALL THAT APPLY.
high & low tides of the oceans
an object's mass
an object's weight
the moon staying in orbit around the Earth
an object's speed
What scientific principle is the reason we wear seatbelts?
velocity
inertia
mass
drag
What is the "drag" force on an airplane?
weight caused by gravity
air resistance pushing against the plane
the force created by the airplane's engines
the mass of the people, luggage, and fuel on the plane
What is the force between two objects that are touching?
friction
gravity
momentum
weight
Which is true about the force of friction? SELECT ALL THAT APPLY.
friction can wear objects out
friction can cause heat
friction can slow down moving objects
friction helps objects speed up
there is no friction on Earth
What is occurring when the line is completely flat?
the car is speeding up
the car is slowing down
the car is going backwards
the car is sitting still
How far the the car travel?
60 miles
50 miles
30 miles
20 miles
Which car is moving the fastest?
Car A
Car B
Cars A, B, and C are all moving at the same speed
Car C
If each of these were pushed with the SAME force, which would go the SLOWEST?
How far had the car moved after 3 hours?
200 miles
150 miles
100 miles
50 miles