Units/Equations
Volume/Density
Velocity/Acceleration
Energy
Machines/Random
100

Units for length and mass

What is meters, grams, kilograms?

100

The volume of a cube with side length 2 cm. (include units)

What is 8 cm3?

100
Find the velocity. I walk 10m in 5 seconds.

What is 2 m/s?

100

The equation for work.

What is w = f x d?

100

One thing a machine can do.

What is change input/output force, distance?

200

Units for force.

What is Newtons?

200

If I cut a bar of gold in half, the density will be ________ as the original bar of gold.

What is the same?

200

Find the acceleration. A dodge charger accelerates from 2 m/s to 4 m/s in 4 seconds. (Include units)

What is 0.5 m/s2

200
A lever lifts a huuuge bar of chocolate 2m with a force of 10 N. The work done is... (include units)

What is 20 J?

200

The difference between velocity and speed.

What is velocity has a direction, speed does not?

300

These units are the same for work and energy

What are joules?

300

The density of an object with a mass of 10 g and a volume of 2.5 mL. (include units)

What is 4 g/mL?

300

Look at the graph on the board. The velocity is this.

What is 0.5 m/s?

300

A skater at the top of a ramp has 300 J of GPE. At the bottom of the ramp, they have this much KE.

What is 300 J of KE?

300

This is the law of conservation of energy.

What is energy cannot be created or destroyed, only change forms?

400

These are the units for velocity and acceleration

What are m/s and m/s2?

400

What is the volume of a sphere with a *diameter* of 10 cm? (INCLUDE UNITS)

What is 104.7 cm3?

400

Look at the graph on the board. The acceleration is this.

10 m/s2

400

An egg-drop is falling. I has a mass of 2 kg. It has a velocity of 5 m/s. It is 7 meters above the ground. Calculate the KE and the GPE.

What is GPE = 137.2 J, KE = 25 J?

400
A motor is not totally efficient. With 500 J of input work, we get 200 J of output work. Calculate the efficiency.

What is 40% efficient?

500

The equations for KE and GPE.

What is KE = 1/2mv2, GPE = mgh

500

I have an alloy (mixture of 2 metals). If is 50% carbon, with a density of 2.5 g/cm3 and 50% iron, with a density of 3.5 g/cm3. The mass of 100 cm3 would be.

What is 300 g?

500

I a ford mustang is traveling at 50 m/s. Then in the next 3 seconds it travels 90 meters. The acceleration is this. (Include +/- sign and units)

What is -6.7 m/s2?

500

An egg-drop is falling. It has a mass of 2 kg. It has a velocity of 5 m/s. It is 7 meters above the ground. Calculate the total kinetic energy the moment before it hits the ground. (include the units, g = 9.8 m/s2)

What is 162.2 J?

500
A pulley has a mechanical advantage of 5. The pulley lifts with an output work of 200 J, lifting a water balloon 2 meters in the air. Calculate the input force.

What is 20 N?

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