Which of the following options is correct?
(i) Force of gravitation on a body is equal to the true weight of the body.
(ii) A person standing in an elevator moving downwards with constant acceleration finds his weight less than actual.
(ii) A person standing in an elevator moving downwards with constant acceleration finds his weight less than actual.
Important Questions on Force and Laws of Motion
Match column I and column II and select the correct option.
| Column I | Column II | ||
| (a) | Flight of rockets | (i) | Inertia of direction |
| (b) | Function of mud guards over the wheels of a motor bike | (ii) | Inertia of rest |
| (c) | Firing a bullet from gun | (iii) | Newton's third law of motion |
| (d) | Dust particles fall when a durree is beaten with a stick | (iv) | Law of conservation of linear momentum |
Read the given statements and select the correct option.
Statement 1: If we push a massive truck parked along the roadside, it will not move.
Statement 2: Two opposite and equal forces acted on two bodies in contact cancel each other.
The force acting on a particle of mass is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to is
A large truck and a car, both moving with a velocity of magnitude , have a head-on collision and both of them come to halt after that. If the collision lasts for then
(i) The car will experience the greater force of impact exerted by the truck
(ii) The truck will experience the greater momentum change
(iii) Car will experience the greater average acceleration than truck.
