Force, Energy, Heat, and Motion

Front

What are the three main ways heat is transferred?

Back

Conduction, Convection, Radiation.

Front

What is the average speed of a cheetah that ran 55 meters in 5 minutes?

Back

11 m/min.

Front

What is net force?

Back

The overall force acting on an object, calculated by combining all individual forces acting on it.

Front

What is energy?

Back

Energy is the ability to do work. Its unit is Joules (J).

Front

How do you calculate weight?

Back

Weight = mass × gravity (W = m × g).

Front

What is the weight of a 55 kg boulder on Earth?

Back

539 N (using g = 9.8 m/s²).

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

Radiation is the transfer of heat through electromagnetic waves, such as sunlight.

Front

What is speed?

Back

Speed is the distance traveled per unit of time.