Unit 3 Review

Front

What is the formula to calculate the Mechanical Advantage (MA) of a lever?

Back

Effort arm length / Resistance arm length

Front

What type of energy is produced from atoms combining or splitting?

Back

Nuclear energy

Front

In which scenario is work being done? A student pushes a locked door that does not move, a student carries his chair into another room, or a student sleeps?

Back

A student carries his chair into another room

Front

How do you calculate the Mechanical Advantage (MA) of an inclined plane?

Back

Length / Height

Front

If a 50N block is lifted 10 m, how much work is done?

Back

500 J

Front

Define Mechanical Advantage (MA).

Back

The ratio of the output force produced by a machine to the input force applied.

Front

What is work in physics?

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is the unit of work?

Back

Joule (J)

Front

What is the formula for calculating work?

Back

Work = Force x Distance

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.