Physics formulas & units

What SI unit is used to measure time?

• seconds
• amperes
• Kelvin
• mole

What is the formula for Acceleration (a)?

• a = F / m

• a = Δv / t

• a = m × g

• a = P / V

Definition of power

• 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.

• The rate of energy transferred per second

• The amount of energy transferred in motion

• The amount of energy an object has at rest / before motion

What is the formula for Average Speed (S)?

• S = m / V

• S = P × t

• S = d / t

• S = F × d

SI unit for time

• seconds

• minutes

• hours

• days

Definition of kinetic energy

• 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.

• The rate of energy transferred per second

• The amount of energy transferred in motion

• The amount of energy an object has at rest / before motion

Formula for spring constant

• k = -F/d

• k = F/d

• k = -F*d

• k = F*d

SI unit for mass

• kilograms

• grams

• pounds

• ounces

Formula for power

• P = W/t

• P = E/t

• P = W*t

• P = E*t

Formula for potential energy

• U = m*g*y

• U = $\frac{1}{2}$ m*v^2

• U = F*d

• U = W/t