(C) The impulse $J$ is defined as the product of force $F$ and the time interval $\Delta t$ for which it acts: $J = F \times \Delta t$. Given: Force $

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$1.5 \times 10^{-3} \, N \cdot s$

(C) The impulse $J$ is defined as the product of force $F$ and the time interval $\Delta t$ for which it acts: $J = F \times \Delta t$. Given: Force $F = 50 \, dynes$. Since $1 \, N = 10^5 \, dynes$,we convert the force to $SI$ units: $F = 50 \times 10^{-5} \, N = 5 \times 10^{-4} \, N$. Time $\Delta t = 3 \, s$. Impulse $J = (5 \times 10^{-4} \, N) \times (3 \, s) = 15 \times 10^{-4} \, N \cdot s = 1.5 \times 10^{-3} \, N \cdot s$.

Class 11 Physics Newton's Laws of Motion and Friction Third Law of Motion and Momentum and Impulse

Medium

$A$ force of $50 \, dynes$ acts on a particle of mass $5 \, g$ for $3 \, seconds$. What is the impulse of the force?

A
$0.15 \times 10^{-3} \, N \cdot s$
B
$0.98 \times 10^{-3} \, N \cdot s$
C
$1.5 \times 10^{-3} \, N \cdot s$
D
$2.5 \times 10^{-3} \, N \cdot s$

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Newton's Laws of Motion and Friction

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Third Law of Motion and Momentum and Impulse

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Match the items in Column-$I$ with those in Column-$II$.

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Column-$I$	Column-$II$
$(1)$ Change in momentum	$(a)$ Force
$(2)$ Rate of change of momentum	$(b)$ Impulse

$A$ force of $50 \, dynes$ acts on a particle of mass $5 \, g$ for $3 \, seconds$. What is the impulse of the force?

Similar Questions

$A$ wall is hit elastically and normally by $n$ balls per second. All the balls have the same mass $m$ and are moving with the same velocity $u$. The force exerted by the balls on the wall is

$A$ mass of $100\,g$ strikes the wall with a speed of $5\,m/s$ at an angle as shown in the figure and it rebounds with the same speed. If the contact time is $2 \times 10^{-3}\,s$,what is the force applied on the mass by the wall?

An athlete runs for some distance before taking a long jump. Why?

Match the items in Column-$I$ with those in Column-$II$. Column-$I$ Column-$II$ $(1)$ Change in momentum $(a)$ Force $(2)$ Rate of change of momentum $(b)$ Impulse

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Match the items in Column-$I$ with those in Column-$II$.

Column-$I$ Column-$II$

$(1)$ Change in momentum $(a)$ Force

$(2)$ Rate of change of momentum $(b)$ Impulse