If no external forces are acting on a moving object, it will
continue moving at the same velocity.
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15
Who dropped balls down the tower of Pisa and down waxed bowls?
Galileo
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15
A package falls off a truck that is moving at 30 m/s. Neglecting air resistance, the horizontal speed of the package just before it hits the ground is
about 30 m/s
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banana
Go to last place!
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gold
Win 50 points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 25 points!
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15
According to Newton's law of inertia, a railroad train in motion should continue going forever even if its engine is turned off. We never observe this because railroad trains
always have forces that oppose their motion.
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15
Does it take more force to start an object or keep it going due to friction?
Start it (static friction > kinetic friction)
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15
If I am a projectile, then I am only under the influence of this force...
Gravitational
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15
Your inertia can be measured relative to another person by looking at their
mass
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15
An object in mechanical equilibrium is an object
that can be at rest or moving at a constant speed
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15
The force of friction on a sliding object is 10 N. The applied force needed to maintain a constant velocity is
10 N
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15
The force of friction has 2 types, static and ...
Kinetic
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
gift
Win 25 points!
Okay!
thief
Give points!
5
10
15
20
25
15
The name of a force that opposes motion is
Friction
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15
If Joe has a mass of 100 kg, and Betty has a mass of 50 kg, who has more Inertia?
