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    • Unit 1: One Dimensional Motion: Physics Introduction
    • Unit 2: Two Dimensional Motion: Projectile and Non-Projectile
    • Unit 3: Newton’s Laws of Motion and Force
    • Unit 4: Universal Gravitation and Circular Motion
    • Unit 5: Work, Power, Mechanical Energy, and Simple Machines
    • Unit 6: Momentum Impulse and Conservation of Momentum
    • Unit 7: Electrostatics
    • Unit 8: Current and Circuits
    • Unit 9: Magnets and Magnetism
    • Unit 10: Waves
    • Unit 11: Electromagnetic Waves
    • Unit 12: Nuclear Physics
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Circular Motion and Universal Gravitation Quizzes

Circular Motion and Universal Gravitation Quizzes

See how ready you are for a circular motion, torque, or universal gravity assessment. Take out quizzes and the click on the links to subject matter for remediation.

Universal Gravitation Practice Quiz

Universal Gravitation Quiz

1 / 11

How is the force of gravity related to mass?

Mass to the force of gravity

2 / 11

How is the force of gravity related to distance between object?

gravity 7

3 / 11

What does a G having a value of 6.67 x 10^-11 tell you about the force of gravity between any two object?

G is a very small number 0.0000000000667 and therefore it takes huge masses like planets to feel the attraction to something.  You cant feel the attraction to your neighbor, but there is one.  You can feel the attraction to earth.

4 / 11

What would happen to the force of gravity if you tripled the distance between the objects?

gravity 6

5 / 11

What would happen to the force of gravity if you doubled the mass of one object?

Gravity Problem

6 / 11

What would happen to the force of gravity if you doubled the mass of one object and doubled the distance?

gravity 4

7 / 11

What is the force of gravity between 96kg Joe and 87kg Jim when the distance between them is 0.20 meters?

Gravity3

8 / 11

Mass Distance Graph

Which graph correctly shows how mass relates to force using the Law of Universal Gravitation?

Mass is in the numerator of the force of gravity equation below and directly related to the force of gravity.  If the mass doubles, the force of gravity would double.

gravity equation

9 / 11

Force Distance Graph

Which graph correctly shows how distance relates to force using the Law of Universal Gravitation?

Distance is in the denominator and squared in the universal gravitation equation below.  There is a inverse squared relation.  Force decreases not proportionately more early since the d is squared. If you double distance the force goes down to 1/4.

gravity equation

10 / 11

What is your mass if the attractive force from the 55 kg person 2.0 meters across the table is 4.586 x 10^-8 N? (when rounded to two significant figures)

Universal Gravitation Problem

11 / 11

What is the force of attraction between Isaac Newton and his 0.15 kg apple the moment it is 0.3 meters away if his weight was 83.6 kg?

Universal Gravitation

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Moon Around Earth

Circular Motion Quiz

2408

Circular Motion Quiz

1 / 10

What happens to tangential velocity if you increase the radius?
It _________

velocity tangential

2 / 10

The time it takes for one rotation is the ___________.

The period is the time it takes for an event that occurs over and over to happen.  In this case it is time to travel in a circle

3 / 10

The number of rotations per time is the ___________.

Frequency is the number of rotations per time and its unit is Hz or rotations per second

4 / 10

The inward force that causes circular motion is _________________.

Inertia makes an object want to go forward at a constant rate if in motion.  Centripetal force pulls that object inwards making its motion circular.

5 / 10

ball on string

How would a ball travel if you were spinning a ball on a rope above your head and the rope broke?

The ball will keep on going straight when there is not a centripetal force pulling it in.  Straight from the outside of the circle is called tangent.  So it would go straight ahead tangent to the circle.

6 / 10

Why would a coffee cup sitting on your car fall off when taking a quick a turn?

Its inertia makes it keep on going forward as the car is turning

7 / 10

What will happen to the centripetal force required to keep an object going in a circle if the mass of the object is doubled and the radius of the circle is cut in half?

It would become ___________ times the original.

Circular Motion

8 / 10

What will happen to the centripetal force required to keep an object going in a circle if mass, radius, and velocity are all doubled?

It would become ___________ times the original.

circular motion 1

9 / 10

What is the tangential velocity of a 50 kg girl is bicycling in circles with a radius of 5.00 m when it takes 12 s to make one rotation?

tangential velocity

10 / 10

What is the centripetal force of a 50 kg girl is bicycling in circles with a radius of 5.00 m when it takes 12 s to make one rotation?

Circular Motion

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ball on string

Torque Quiz

Torque Quiz

Do you know your torque?

increasing torque

Find out by taking this quiz.

1 / 9

What is the term for a pivot point where rotation can occur?

Torque Lever Terms

2 / 9

What is the term for the bar or arm attached to a pivot where a rotation can occur?

Torque Lever Terms

3 / 9

What happens to torque if you increase the distance a perpendicular force is applied on a lever from a fulcrum?

Ƭ = F⟘d

Both perpendicular force and distance are directly related to torque

Increasing either increases the torque

4 / 9

What happens to torque if you increase the distance a parallel force is applied on a lever from a fulcrum?

Ƭ = F⟘d

Both perpendicular force and distance are directly related to torque

Increasing either increases

Ƭ = F⟘d

Both perpendicular force and distance are directly related to torque

Increasing either increases the torque

the torque

5 / 9

Which would give the most torque if all forces applied at point A, B, C, and D were the same?

Question Image

D's force is directed parallel to the lever, therefore produces no torque (no torque)

C's torque is the greatest distance and completely perpendicular (most torque)

A and B's torque is less than C but greater than D.  Without knowing the angle for B or actual distance for A you can't determine which of these two is greater.

6 / 9

Which would give the least torque if all forces applied at point A, B, C, and D were the same?

Question Image

D's force is directed parallel to the lever, therefore produces no torque (no torque)

C's torque is the greatest distance and completely perpendicular (most torque)

A and B's torque is less than C but greater than D.  Without knowing the angle for B or actual distance for A you can't determine which of these two is greater.

7 / 9

Forces on a Wrench

How much torque would be provided by a 15N force the direction of A above if it was 0.10 meters away from the bolt?

torque solution 3

8 / 9

How far away should a 0.50 kg mass be placed on the left side of a fulcrum to balance a 2.0 kg mass 0.50 m on the right side of a fulcrum?

Question Image

Torque Solution

9 / 9

How far away should you place a 0.50 kg mass on the left side of a fulcrum to balance a 0.50 kg mass 0.10 meters and another 2.0 kg mass 0.50 m both on the right side of a fulcrum?

Question Image

Torque Question

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Forces on a Wrench

Links:

  • Go to the main Universal Gravitation and Circular Motion Page
  • Back to the Stickman Physics Home Page
  • For video tutorials and other physics resources check out HoldensClass.com
  • Find many of your animation resources in one place at the StickMan Physics Gallery
  • Equation Sheet

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Unit 1: One Dimensional Motion
Unit 2: 2D Motion
Unit 3: Newton’s Laws and Force
Unit 4: Universal Gravitation and Circular Motion
Unit 5: Work, Power, Mechanical Advantage, and Simple Machines
Unit 6: Momentum, Impulse, and Conservation of Momentum
Unit 7: Electrostatics
Unit 8: Current and Circuits
Unit 9: Magnetism and Electromagnetism
Unit 10: Intro to Waves
Unit 11: Electromagnetic Waves
Unit 12: Nuclear Physics

AP Physics 1 Pages (Deeper Dive into Concepts)

DIY Creations for Fun and Physics

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