A force of 5 ,N acts on a body of weight 9.8 ,N . acceleration produced in m/{sec ^2}

English

Gujarati

Hindi

4-1.Newton's Laws of Motion

easy

A force of $5 \,N$ acts on a body of weight $9.8 \,N$. What is the acceleration produced in $m/{\sec ^2}$

A

$49$

B

$5$

C

$1.46$

D

$0.51$

Solution

(b) As weight $= 9.8\, N$

$\therefore $ Mass = $1\, kg$

Acceleration $ = \frac{{Force}}{{{\rm{Mass}}}} = \frac{5}{1} = 5\;m/{s^2}$

Standard 11

Physics

Share

Similar Questions

A body of mass $2 \,kg$ has an initial velocity of $3\, meters$ per second along $OE$ and it is subjected to a force of $4 \,N$ in a direction perpendicular to $OE$. The distance of the body from $O$ after $4$ seconds will be ……….. $m$

medium

A particle of mass $m$ is acted upon by a force $F$ given by the empirical law $F = \frac{R}{{{t^2}}}\,v(t)$. If this law is to be tested experimentally by observing the motion starting from rest, the best way is to plot

hard

(JEE MAIN-2016)

A stream of water flowing horizontally with a speed of $15\; m s^{-1}$ gushes out of a tube of cross-sectional area $10^{-2}\; m^2$, and hits a vertical wall nearby. What is the force in $N$ exerted on the wall by the impact of water, assuming it does not rebound ?

medium

An object with a mass $10\, kg$ moves at a constant velocity of $10 \,m/sec$. A constant force then acts for $4\, second$ on the object and gives it a speed of $2\, m/sec$ in opposite direction, the force acting on the object is ……… $N$

easy

A body under the action of a force $\vec F = 6\hat i – 8\hat j\,N$ acquires an acceleration of $5\, ms^{-2}$. The mass of the body is …….. $kg$

easy