MCQ
Newton's third law of motion gives.
- ADefinition of force
- ✓Property of force
- CDefinition of inertia
- DProperty of inertia
✓
Answer
Correct option: B.
Property of force
B
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The frequency of oscillation of a mass $m$ suspended by a spring is $v_1$. If length of spring is cut to one third then the same mass oscillates with frequency $v_2$, then
→A body has its centre of mass at the origin. The x-coordinates of the particles:
Two uniform strings of mass per unit length $\mu$ and $4 \mu$, and length $L$ and $2 L$, respectively, are joined at point $O$, and tied at two fixed ends $P$ and $Q$, as shown in the figure. The strings are under a uniform tension $T$. If we define the frequency $v_0=\frac{1}{2 L} \sqrt{\frac{T}{\mu}}$, which of the following statement($s$) is(are) correct?
→$(A)$ With a node at $O$, the minimum frequency of vibration of the composite string is $v_0$
$(B)$ With an antinode at $O$, the minimum frequency of vibration of the composite string is $2 v_0$
$(C)$ When the composite string vibrates at the minimum frequency with a node at $O$, it has $6$ nodes, including the end nodes
$(D)$ No vibrational mode with an antinode at $O$ is possible for the composite string
A train moves from rest with a uniform acceleration $a$ . Attaining a maximum speed $v$ it starts moving with uniform retardation $a$ . Assuming $s$ = total distance covered in the unidirectional motion of the train, its total time of journey and maximum speed are (respectively).
→Which is correct relation
An electric current i enters and leaves a uniform circular wire of radius a through diametrically opposite points. A charged particle q moving along the axis of the circular wire passes through its centre at speed v. The magnetic force acting on the particle when it passes through the centre has a magnitude:
→-
$\text{qv}\frac{\mu_0\text{i}}{2\text{a}}$
-
$\text{qv}\frac{\mu_0\text{i}}{2\pi\text{a}}$
-
$\text{qv}\frac{\mu_0\text{i}}{\text{a}}$
-
$\text{Zero}$
The energy which an ${e^ - }$ acquires when accelerated through a potential difference of $1 \,volt$ is called
→A certain force acting on a body of mass 2kg increase its velocity from 6m/ s to 15m/ s in 2s. The work done by the force during this interval is ?
A heat source at $T = 10^3\, K$ is connected to another heat reservoir at $T = 10^2\, K$ by a copper slab which is $1\, m$ thick. Given that the thermal conductivity of copper is $0.1\, WK^{-1}\, m^{-1}$, the energy flux through it in the steady state is ........... $Wm^{-2}$
→At which temperature the speed of sound in hydrogen will be same as that of speed of sound in oxygen at $100\,^oC$ ..... $^oC$
→