Physics formulas and Units

Front

Formula for power

Back

P = W/t

Front

Definition of work

Back

The amount of energy transferred when an object is moved over a distance by an external force in regards to the direction of the displacement.

Front

What is the centripetal acceleration formula?

Back

a_c = v^2/r, where a_c is centripetal acceleration, v is the velocity, and r is the radius of the circular path.

Front

SI unit for distance

Back

meters

Front

Where on Earth would be the greatest rotational speed?

Back

All locations on Earth have the same rotational speed.

Front

Formula for kinetic energy

Back

KE = 1/2 mv^2, where KE is kinetic energy, m is mass, and v is velocity.

Front

Definition of acceleration

Back

The rate of change of velocity of an object with respect to time.

Front

Formula for gravitational potential energy

Back

PE = mgh, where PE is potential energy, m is mass, g is acceleration due to gravity, and h is height.

Front

What is the formula for force?

Back

F = ma, where F is force, m is mass, and a is acceleration.

Front

SI unit for force

Back

Newton (N)