(a) Define uniform circular motion. (b) Is uniform circular motion an accelerated motion? Give reaso

English

Gujarati

Hindi

7. MOTION

medium

$(a)$ Define uniform circular motion.

$(b)$ Is the uniform circular motion an accelerated motion? Give reasons for your answer.

Option A

Option B

Option C

Option D

Solution

$(a)$ It is defined as the motion of a body along a circular path with constant speed.

$(b)$ Yes. This is because the direction of motion keeps on changing. This changing direction produces acceleration.

Standard 9

Science

Share

Similar Questions

A car starts from rest and moves along the $x-$ axis with constant acceleration $5\, ms^{-2}$ for $8\,\sec $. If it then continues with constant velocity, what distance will the car cover in $12\,\sec $ since it started from the rest ?

medium

The following table shows the positive of Renu, while she is going to her school. Draw distance$-$time graph for her motion.

Time Distance from her home $( k m )$

$06: 45\, am$ $0$

$07: 00 \,am$ $8$

$01: 30\, pm$ $8$

$01: 45\, pm$ $0$

easy

Slope of a velocity -time graph gives

easy

$(a)$ Differentiate between uniform linear and uniform circular motion.

$(b)$ Write any four examples of uniform circular motion.

$(c)$ Is uniform circular motion is accelerated motion ?

medium

The speed-time graphs of two cars are represented by $P$ and $Q$ as shown below

$(a)$ Find the difference in the distance travelled by the two cars (in $m$ ) after $4\, s$.

$(b)$ Do they ever move with the same speed ? If so when ?

$(c)$ What type of motion car $P$ and $Q$ are undergoing ?

medium