Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Laws of Motion question

2024 · Q185
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Laws of Motion
  5. /2024 · Q185

Laws of Motion question

2024 · Q185

NEETPhysicsLaws of MotionMCQ+4 / −1

A box of mass 5 kg5 \mathrm{~kg}5 kg is pulled by a cord, up along a frictionless plane inclined at 30∘30^{\circ}30∘ with the horizontal. The tension in the cord is 30 N30 \mathrm{~N}30 N. The acceleration of the box is (Take g=10 m s−2g=10 \mathrm{~m} \mathrm{~s}^{-2}g=10 m s−2)

  1. A
    2 m s−22 \mathrm{~m} \mathrm{~s}^{-2}2 m s−2
  2. B
    Zero
  3. C
    0.1 m s−20.1 \mathrm{~m} \mathrm{~s}^{-2}0.1 m s−2
  4. D
    1 m s−21 \mathrm{~m} \mathrm{~s}^{-2}1 m s−2
View written solutionFree

Correct answer: D

$T-M g \sin 30=M a$

NEET 2024 (Re-Examination) Physics - Laws of Motion Question 2 English Explanation

$$\begin{aligned} \& 30-5 \times 10 \times \frac{1}{2}=5 a \\ \& a=1 \mathrm{~m} / \mathrm{s}^2 \end{aligned}$$

PreviousNext

More from Laws of Motion

  • A block of mass 2 kg is placed on inclined rough surface AC (as shown in figure) of coefficient of friction μ. If g = 10 m s−2, the net force (in N) on the block will be: Includes diagram2023 · MCQ
  • A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts on the player while turning is :2023 · MCQ
  • Calculate the maximum acceleration of a moving car so that a body lying on the floor of the car remains stationary. The coefficient of static friction between the body and the floor is 0.15 $$\left(g=10 \mathrm{~m}…2023 · MCQ
  • A bullet from a gun is fired on a rectangular wooden block with velocity u. When bullet travels 24 cm through the block along its length horizontally, velocity of bullet becomes 3u​. Then it further penetrates into…2023 · MCQ
  • If F=2i+j​−k and r=3i+2j​−2k, then the scalar and vector products of F and r have the magnitudes…2022 · MCQ
  • In the diagram shown, the normal reaction force between 2 kg and 1 kg is (Consider the surface, to be smooth) : (Given g = 10 ms−2) Includes diagram2022 · MCQ
  • Two bodies of mass 4 kg and 6 kg are tied to the ends of a massless string. The string passes over a pulley which is frictionless (see figure). The acceleration of the system in terms of acceleration due to gravity (g) is : Includes diagram2020 · MCQ
  • A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. The minimum angular velocity needed for the…2019 · MCQ