Physics Numericals MCQ Questions with Answers PDF Download eBook

MCQ: Average angular velocity of a body rotating at angle of 30° for 5 seconds will be

1. 6 rad s^-1
2. 7 rad s^-1
3. 8 rad s^-1
4. 10 rad s^-1

MCQ: If body accelerates from rest to angular velocity of 45 ^revolutions/_min in a time of 1.6 seconds, its angular acceleration will be

1. 6.6 × 10^-9 rad
2. 6 × 10^-9 rad
3. 7.6 × 10^-9 rad
4. 8 × 10^-9 rad

MCQ: Power of machine when work done is 30 J in a time interval 5 seconds will be

1. 120 W
2. 125 W
3. 145 W
4. 150 W

MCQ: Body having weight 50 kg turning in a circle at 5 m s^-1, if radius of circle is 5 m, the force exerted on body to hold it in circular path is

1. 200 N
2. 250 N
3. 300 N
4. 350 N

MCQ: A car of 200 kg is moving in a circle of radius 4.3 m with angular velocity of 2 rad s^-1, it's angular momentum will be

1. 3.3 × 10³
2. 7.3 × 10⁶
3. 7.3 × 10³
4. 8 × 10³