Which is an example of conduction? soup is warmed in a microwave a hand is burned when touching a pot handle air above an ocean warms up and rises a stone gets hot from sitting outside on a sunny day

The correct answer is a hand is burned when touching a pot handle.

Explanation: There are 3 modes of heat transfer:

Conduction: This type of heat transfer happens when there is direct contact between the two object.

Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas).

Radiation: This type of heat transfer happens when there is direct transfer of energy through space.

From the given options,

A hand is burned when touching a pot handle is an example of conduction because there is direct contact between the hand and pot handle.

spare some change and give it to the poor

explanation:

plz : ((

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

                                              ⇒      

here   k is the proportionality constant whose value is 1.

                                                            [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.