Ball bearings are used in bicycles, cars, etc., because (a) the actual area of contact between the wheel and axle is increased

(a) on the rear wheels is in the forward direction (b) on the front wheels is in the backward direction (c) on the rear wheels has a larger magnitude than the Explanation:  When accelerating the torque...

 The correct answer is: (a), (c) (a), kinetic  (c) mechanical

The correct answer is all  (a) kinetic  (b) total  (c) mechanical  (d) internal.

(a) on the rear wheels is in the forward direction (b) on the front wheels is in the backward direction (c) on the rear wheels has a larger magnitude than the Explanation:  When accelerating the...

Yes, there are fields, farms, concrete roads, drains etc. around my school. The area around my school is basically flat. When it rains, the rain water goes into the drains,...

(3) Let the initial length and width be l & b respectively. Then the initial area = l × b According to the question, New length and width will be 2...

(c) Let number of cars be x Let number of scooters / motor bikes = y ∴ Total number of parked vehicles = x + y According to question 4x + 2y = 2 (x...

 (b) Seismology

The two concepts are critical point control and management by exception. Critical Point Control: For controlling effectively, control should be exercised only on critical points which are identified on the...