Science: Matter and Energy - Chapter 3 Test 2

Front

What is the unit of power?

Back

Watt (W) is the unit of power, defined as one joule per second.

Front

What formula is used to calculate the weight of an object?

Back

Front

What is the ideal mechanical advantage (IMA) of a ramp?

Back

The ideal mechanical advantage is calculated as the ratio of the length of the ramp to the height it raises an object.

Front

What formula is used to calculate speed?

Back

Front

What is speed in terms of distance and time?

Back

Speed is the distance covered per unit of time.

Front

What is the formula for calculating force?

Back

Front

What is kinetic energy?

Back

Front

What is potential energy?

Back

Front

What is the law of conservation of energy?

Back

The law states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is work in physics?

Back