A-LevelPhysicsDynamics9702/12 · May/June 2014 · Q81 Mark
A resultant force causes a body to accelerate. What is equal to the resultant force?
Athe acceleration of the body per unit mass
Bthe change in kinetic energy of the body per unit time
Cthe change in momentum of the body per unit time
Dthe change in velocity of the body per unit time
✓ Correct answer
C: the change in momentum of the body per unit time
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