MCQ
During projectile motion the quantities that remain unchanged are:
- AForce and vertical velocity.
- BAcceleration and horizontal velocity.
- CKinetic energy and acceleration.
- DAcceleration and momentum.
✓
Answer
- Acceleration and horizontal velocity.
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
Which of the following quantities can be written in SI units in kg2 m2 A-2 S-3?
A sine wave of wavelength $\lambda $ is travelling in a medium. The minimum distance between the two particles, always having same speed, is
→A body executes $SHM$ under the influence of one force and has a period $T_1\, second$ and the same body executes $SHM$ with period $T_2\, second$ when under the influence of another force. When bothforces act simultaneously and in the same direction, then the time period of the same body is
→In a standing wave, all particles of the medium cross the mean position with
A particle of mass $m$ is projected with speed $u$ at angle $\theta$ with horizontal from ground. The work done by gravity on it during its upward motion is ..........
→Two cars OF SAME LENGTH move in the same direction along parallel roads. One of them is a 100m long travelling with a velocity of 7.5 ms−1. How long will it take for the first car to overtake the second car?
The value of work done on the system by all types of forces (external and internal) is equal to:
A thin uniform bar of length $L$ and mass $8\,m$ lies on a smooth horizontal table. Two point masses $m$ and $2\,m$ moving in the same horizontal plane from opposite sides of the bar with speeds $2v$ and $v$ respectively. The masses stick to the bar after collision at a distance $\frac{L}{3}$ and $\frac{L}{6}$ respectively from the centre of the bar. If the bar starts rotating about its center of mass as a result of collision, the angular speed of the bar will be
→A wave travels on a light string.The equation of the wave is $Y = A \,\sin \,(kx - \omega t + 30^o)$.It is reflected from a heavy string tied to an end of the light string at $x = 0$. If $64\%$ of the incident energy is reflected the equation of the reflected wave is
→A particle is moving along a circular path with a constant speed of $10\,ms^{-1}.$ What is the magnitude of the change in velocity of the particle, when it moves through an angle of $60^{o}$ around the centre of the circle .......... $m/s$
→