UCM Review

Quiz
•
Science
•
12th Grade
•
Hard
+4
Standards-aligned
Kavanaugh Kohls
Used 6+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car goes around an unbanked (flat) horizontal circle of radius r at a constant tangential velocity v. What is the magnitude of the force of gravity’s contribution to the centripetal force this car experiences?
0
1/2at2
mv2/r
mg
Tags
NGSS.HS-PS2-1
NGSS.HS-PS2-4
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the centripetal acceleration upon a car negotiating an unbanked curve with a radius of 40.0 m if it travels at a speed of 10 m/s? (type just the number)
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you swing a bucket of water fast enough in a vertical circle, at the highest point the water does not spill out because of...
The inertia of the water in the bucket
The centripetal force acting on the water
The force of gravity acting on the bucket
An outward force equal to the centripetal force.
Tags
NGSS.MS-PS2-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where should you sit on a merry go round if you want to move the slowest?
As close to center as possible
As close to the edge as possible
It does not matter how close to the center you are
Tags
NGSS.MS-PS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A real daredevil wants to experience as much acceleration as possible while riding a merry go round - where should she sit?
Towards the center of the ride
Towards the edge of the ride
All points will experience the same acceleration
No points on the ride will experience acceleration because it moves at a constant speed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the earth were suddenly moved 3 times further away from the sun than it is now, how would the force of gravity acting on the Earth compare to what it currently is
It would be 1/3 the magnitude
It would be 1/9 the magnitude
It would be 3 times the magnitude
It would be 9 times the magnitude
Tags
NGSS.MS-ESS1-2
NGSS.MS-PS2-4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In uniform circular motion, the net force acting on the moving object acts towards the ________ of the circle
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