When a constant net external force acts on an object for a time interval

PHYSICS · Single correct · CBSE · Physics · Force and Laws of Motion · Force and Laws of Motion

Problem

When a constant net external force

F

acts on an object for a time interval

\Delta t

, which of the following quantities equals the impulse delivered to the object? (a)

2F\,\Delta t

(b)

F\,\Delta t

(c)

m v_f

(d)

\dfrac{1}{2}F\,\Delta t