A block of mass \( M \) placed inside a box descends vertically with acceleration \( a \) . The...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=lXhK8Y-GCqw


Duration: 3:27
3 views
0

A block of mass \( M \) placed inside a box descends vertically with acceleration \( a \) . The block exerts a force equal to onefourth of its weight on the floor of the box. The value of \( a \) will be
(a) \( \frac{g}{4} \)
(b) \( \frac{g}{2} \)
(c) \( \frac{3 g}{4} \)
(d) \( g \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-07-03Three blocks \( A, B \) and \( C \) of equal masses \( m \) each are placed one over the other...
2023-07-03The time taken by a body to slide down a rough \( 45^{\circ} \) inclined plane is twice that req...
2023-07-03A block of mass \( m=10 \mathrm{~kg} \) is to be pulled on a horizontal rough surface with the m...
2023-07-03In the figure \( m_{A}=m_{B}=m_{C}=60 \mathrm{~kg} \). The coefficient of friction between \( C ...
2023-07-03The coefficient of static friction between the two blocks is 0.363 . What is the minimum acceler...
2023-07-03Two inclined planes are placed as shown in figure. A block is projected from the point \( A \) o...
2023-07-03Two masses \( M_{1} \) and \( M_{2} \) are tied together at the two ends of a light inextensible...
2023-07-03A monkey of mass \( 50 \mathrm{~kg} \) climbs on a rope which can withstand the tension \( (T) \...
2023-07-03If the shown system is in equilibrium, then force applied by inclined plane on the block \( m_{1...
2023-07-03Three masses \( M=100 \mathrm{~kg}, m_{1}=10 \mathrm{~kg} \) and \( m_{2}=20 \mathrm{~kg} \) are...
2023-07-03A block of mass \( M \) placed inside a box descends vertically with acceleration \( a \) . The...
2023-07-03A block of metal weighing \( 2 \mathrm{~kg} \) is resting on a frictionless plane (as shown in f...
2023-07-03A hanging mass \( M \) is connected to a four times bigger mass by using a string pulley arrange...
2023-07-03A block of mass \( 200 \mathrm{~g} \) is kept stationary on a smooth inclined plane by applying ...
2023-07-03In the arrangement shown in figure \( a_{1}, a_{2}, a_{3} \) and \( a_{4} \) are the acceleratio...
2023-07-03A force on an object of mass \( 100 \mathrm{~g} \) is \( (10 \hat{i}+5 \hat{j}) \mathrm{N} \). T...
2023-07-03A trolley of mass \( 8 \mathrm{~kg} \) is standing on a frictionless surface inside which an obj...
2023-07-03Five persons \( A, B, C, D \) and \( E \) are pulling a cart of mass \( 100 \mathrm{~kg} \) on a...
2023-07-03A cylinder rests in a supporting carriage as shown. The side \( A B \) of carriage makes an angl...
2023-07-03A hinged construction consists of three rhombus with the ratio of sides \( (5: 3: 2) \). Vertex ...
2023-07-03A cuboidal car of height \( 3 \mathrm{~m} \) is slipping on a smooth inclined plane. A bolt rele...