IIT Jee Papers IIT Jee Papers 1. If the driver is firmly held in non stretching seat belt harness. (a) 52500 N
(b) 26250 N
(c) 13125 N
(d) can’t be said
2. If the driver is not wearing a seatbelt and stopping distance is determined by nature of collision with windshield, stearing column etc. (a) 262500 N
(b) 131250 N
(c) 65625 N
(d) can’t be said
3. If the driver is wearing a stretching seat belt harness (which increases the stopping distance by 50 %) (a) 35000 N
(b) 17500 N
(c) 8750 N
(d) can’t be said
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4. The magnitude of normal reaction from ground is (a) equal to 2Mg
(b) less than 2Mg
(c) more than 2Mg
(d) can’t determine
5. The correct relation between acm and α will be (a) acm = √5/4 Rα
(b) acm = 1/2 Rα
(c) acm = Rα
(d) None of these
6. If the ground is rough (instead of smooth), then the direction of friction force will be (a) forward
(b) backwards
(c) depend upon the value of µ
(d) none of these
7. In a rectilinear motion of a particle along x-axis velocity varies as v x where is a positive constant. At t = 0, particle is located at origin. Statement-1: The mean velocity of the particle averaged over the time that the particle takes to cover the first S meters of the path is. Statement-2: In a uniformly accelerated motion, the average velocity in a given duration is the arithmetic mean of the velocities at the initial and final points of the given duration. (a) A
(b) B
(c) C
(d) D
8. Statement-1: The principle of conservation of mechanical energy fails if there are nonconservative forces doing work on the system. Statement-2: Non-conservative forces, if work, result in change in mechanical energy (a) A
(b) B
(c) C
(d) D Read More About :- BITSAT Sample Paper
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