Round the Circle
Centripetal or Centrifugal?
The apple that had it out for Newton
Rotate vs. Line
Might need a Calculator
100

The units that angular displacement is measured in.

What are radians?

100

The two vectors that centripetal in circular motion

What are acceleration and force?

100

Newton's Law of Gravitation (conceptually not mathematically)

What is that there is a force between any two objects in the universe with a mass

100

This is another way of saying "angular mass"

What is moment of Inertia?

100

An object is spinning 1 m/s around a circle of diameter 1 meter. The amount of angular velocity the object has

What is 2 rad*s-1

200

The greek symbol we use for angular velocity

What is ω?

200

The name of the variable Fc.

What is Centripetal Force?

200

What r refers to in Newton's Law of Gravitation.

What is the distance between the center of each of the masses.

200

The Greek letter that represents torque.

What is capital Gamma (Γ)

200

If an object has an angular displacement of 3pi/2, the distance has it traveled along the circumference of a circle with a radius of 50 cm

What is 240 cm?

300

The amount of radians in 270 degrees.

What are 3π/2 radians?

300

The direction of the linear velocity vector in circular motion.

What is tangential?

300

The name of the variable g?

What is gravitational field strength?

300
The act of having linear and rotational kinetic energy

What is rolling?

300

The calculated centripetal force needed to keep a 1200 kg car moving 15 ms-1 around a curved road of radius 60 m.

What is 4500 N?

400

The equation that compares linear and angular velocity.

What is v=ωr?

400

The equation of centripetal acceleration?

What is a = v2/r

400

The unit of measurement for gravitational field strength.

What is ms-2 or Nkg-1?

400

Newton's Second Law of Motion in rotational form

What is ΣΓ=I∝

400

The gravitational field strength on the surface of a planet that has a radius of 8560 km and an average density of 4320 kgm-3

What is 10.3 Nkg-1

500

The definition of period

What is the time it takes for an object to go around a circle once?

500

The difference between centripetal and centrifugal.

What is centripetal pulls towards the circle and is observed from the outside, while centrifugal is pushes away from the center of the circle and is only felt from the object?

500

The physicist who's law explained why planets orbit in an ellipses.

Who is Kepler?

500

Using the same logic for all other equations, the equation for rotational work.

What is W = Γ*Θ

500

The moment of inertia of a domestic cooling fan is 8.2 × 10−4 kgm2. If the fan rotates at a frequency of 20Hz, the rotational kinetic energy.

What is 6.5 Joules?