Question Text
Question 1 :
An object is said to be in equilibrium when:<br/>1. there is no net force acting on the object<br/>2. the total clockwise moments about any point is equal to the total anti-clockwise moments about the same point<br/>3. the object moves with constant velocity
Question 2 :
A player caught a cricket ball of mass $150kg$ moving at a rate of $20m/s$. If the catching process is completed in $0.1s$, the force of the blow exerted by the ball on the hand of the player is
Question 3 :
A uniform rod of mass $M$ has an impulse applied at right angles to one end begins to move with speed $V$,the magnitude of the impulse is
Question 4 :
If the action and reaction forces are always equal in magnitude, then these forces
Question 5 :
Metal wire in the form of a ring of radius $R$ and mass m placed on a smooth horizontal table is set rotating about its own axis in such a way that each part of the ring moves with speed $V$.The tension in the ring Will be;-
Question 6 :
Choose the correct statement from the following:<br>Weightlessness of an astronaut moving in a satellite is a situation of
Question 7 :
A player caught a cricket ball of mass $150kg$ moving at a rate of $20m/s$. If the catching process is completed in $0.1s$, the force of the blow exerted by the ball on the hand of the player is
Question 8 :
After falling from rest through a height $h$, a body of mass $m$ begins to raise a body of mass $M (M > m)$ connected to it through a pulley. Find the fraction of kinetic energy lost when the body of mass $M$ is jerked into motion .
Question 9 :
Which of the following uses the principle of conservation of momentum?
Question 10 :
Two persons $P$ and $Q$ of the same height are carrying a uniform beam of length $3 m$. If $Q$ is at one end, then the distance of $P$ from the other end such that $P$, $Q$ receive loads in the ratio $5 : 3$ is:<br>