Q.
The motor connected to A (not shown) is pulling up the 200 kg block along the rough incline with constant speed of 5 m/s when power output of motor is 10 kW. If the power out put of motor is suddenly increased to 15 kW then the acceleration of block just after increasing the power is.
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
5 m/s2
b
1 m/s2
c
Zero
d
can’t be computed from the given information.
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
When the block is moving with constant velocity v then T=μN+200g sin 370TV = 10 \times {10^3} & & \mu N = 800NWhen P1=15kW, then T1=15×1035=3000NT1- μN-200gsin370=200a⇒a=5m/s2
Watch 3-min video & get full concept clarity