physics unit 2 jeopardy conversionsnewton’s 1 st law calculation acceleration f = ma lab stuff...
DESCRIPTION
1,2 How many meters are in a mile? 1600TRANSCRIPT
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Physics Unit 2 JeopardyConversions Newton’s 1st
LawCalculation Acceleration
F = ma Lab stuff
100 100 100 100 100200 200 200 200 200300 300 300 300 300400 400 400 400 400500 500 500 500 500
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1000
How many milligrams are in a gram?
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1,2
How many meters are in a mile?
1600
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1,3
How many kilograms is 276 grams?
0.276 kg
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1,4
Convert 2.5 km/hr into m/s
0.694 m/s
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How many meters are in 13,500 micrometers?
0.0135 meters
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1,4
What is Newton’s 1st Law also called?
The Law of Inertia
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2,1
What is Newton’s 1st law? (the whole thing)
An object in motion will stay in motion and an object at rest will stay at rest unless acted on by an unbalanced (or
outside) force.
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2,2
What do you call the sum of all the forces acting on an object?
The net force
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2,3
What’s the difference between momentum and inertia?
Objects that are at rest have inertia, but not momentum
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2,4
If an object is moving to the left at 3 m/s and a 10 N force pushes it to the
right at the same time a 5 N force pushes it to the left, what is the net
force and what happens to the object?
The net force is 5 N to the right and the box will slow down, stop, then change direction and start to speed up
to the right.
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1,4
What are the units of acceleration?
Meters per second squared (m/s^2)
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3,1
What is the equation for acceleration that uses velocity?
a = v(final) – v(initial)
t
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3,2
If something is at rest then speeds up to 10 m/s in 2
seconds, what is its acceleration?
5 m/s^2
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3,3
What is the acceleration of a 500 gram object that experiences a force of 25 N?
50 m/s^2
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- 8.89 m/s^2
If a car goes from 100 miles per hour to 60 miles per hour (because they saw a cop) in 2 seconds, what was the car’s acceleration?
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What are the units of force? (the short one)
Newtons
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4,1
What units are Newton’s made of?
Kg * m
S^2
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4,2
What force is needed to accelerate a 750 gram object at 10
m/s^2?
7.5 N
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4,3
Rewrite Newton’s 2nd law three times, each one solved for a different variable.
F = ma m = F/a a = F/m
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The brakes on a 50,000 kilogram Ferrari slow the car from 100 miles
per hour to a stop in 3 seconds. What is the force provided by the brakes?
740,740 N
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1,4
What was the width of the car’s flag?
1 cm
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5,1
How do you calculate velocity of the car going through one
photogate?
The width of the flag (1cm) divided by the time it took to pass through the photogate.
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How do you calculate the velocity of the car as it
travels between two photogates?
Divide the distance between the two photogates by the time it took to get from
photogate A to photogate B
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5,3
If a 3 cm wide ball takes 0.005 seconds to pass through photogate A, what was it’s velocity in m/s?
6 m/s
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If a 2 cm wide ball (50 grams) had a velocity of 5 m/s at photogate A, 7 m/s at photogate B, and the time between the photogates was
0.10 seconds, what was the force on the ball?
1 N