Show:
Kinematics
Springs
Circular Rotation
Fluids
Torque
100

Is Velocity a scalar or vector?

What is a Vector?

100

What special letter is used to represent elastic potential energy?

U

100

What is the equation used to calculate angular velocity from linear velocity?

V = rw

100

What is the force called that acts against gravity to keep a boat afloat?

The buoyancy force

100

What is the equation of torque?

t = rf

net t = aI

200

What does the slope of a Velocity vs. Time Graph represent?

What is Acceleration?

200

At what point is the velocity of the spring at a maximum?

What is equilibrium

200

A wheel rotates 3 times, what is it's angular displacement?

6pi rads

200

If water is flowing through a cone shape, from it's widest area to smallest area, what happens to it's velocity?

Increases

200

How do you maximize torque?

Answer one out of three correctly

Increase force

Increase distance from axis of rotation

Apply force perpendicular to object

300
How many significant digits will be in the solution to the problem 26.4 x 120?

What is 2?

300

Define Hook's law.

The force required to stretch a spring is directly proportional to the extension of the spring.

300

If a hollow cylinder and a regular cylinder with the same mass were rolled down a ramp, which would make it to the bottom first

The hollow cylinder

300

(DAILY DOUBLE) What is Pascal's principle?

The amount of pressure in or applied will be equal to the amount of pressure out.

300

what is the equation for inertia of a solid sphere?

2/5MR^2

400

True or False: Time is the same in both the X and Y direction.

True

400
What's the equation for Hooke's law?

Fs=-kx

400

What is the angular displacement of the minute hand on a clock during a 30-minute interval?

pi rad

400

Does pressure increase or decrease as a fluid speeds up?

Decrease 

400
If a flywheel has a mass of 155 kg, radius of 0.650 m and angular acceleration of 1.07 rad/s^2, what torque is required to accelerate it?

35.4 N x m

500

Agustin hears a taco truck and sprints 60 m towards it in 8.2 seconds. What is Agustin's average velocity?

7.32 m/s

500

A spring stretches 6.0 cm when a 200 g mass is hung from it. What is the spring constant of this spring?

32.7 N/m

500

A student puts their bicycle on a stand and starts the rear wheel spinning from rest to a final angular velocity of 250 rpm. Calculate the angular acceleration in rad/s^2.

5.2 rad/s^2

500

A water-filled vessel is placed on a table with a height of 0.75 m. A hole has been drilled into the bottom, and water jets out, reaching a horizontal distance of 0.65 m. What is the vertical height of the water above the hole?

What is 0.14 m?

500

Two students sit on either end of a uniform teeter-totter. Student 1 sits 1.10 m from the pivot while student 2 sits 0.85 m from the pivot. If student 1 has a mass of 72 kg, what is the mass of student 2?

rmg = rmg

93 kg