Y10 PCT2 Equation Revision

What is the formula that links acceleration (a), initial velocity (u), final velocity (v) and time (t)?

• a = vt/u

• a = (v-u)/t

• a = (u+v)/t

• a = t / (v-u)

What is the formula that links resultant force (F), mass (m) and acceleration (a)?

• a = Fm

• F = ma

• m = Fa

• F = m/a

What is the formula that links force on a spring (F), spring constant (k) and extension (e)?

• e = Fk

• F = k/e

• F = ke

• k = e / F

What is the unit of spring constant?

• N/m

• m/N

• N/kg

• kg/N

What is the unit of density?

What is the formula that links pressure (P), force (F) and area (A)?

• P = FA

• A = FP

• A/P = F

• P = F/A

What is the formula that links speed (s), distance (d) and time (t)?

• s = dt

• d = s/t

• s = d/t

• d = t/s

What is the equation that links kinetic energy (Ek), mass (m), and velocity (v)?

What is the equation that links gravitational potential energy (GPE), mass (m), gravitational field strength (g) and height (h)?

• GPE = mg/h

• GPE = mgh

• GPE = mh/g

• GPE = m/gh