Forces in Physics Quiz Questions and Answers PDF - 15

MCQ 71: An object weighs 160 N on the moon, its mass would be

1. 16 kg
2. 100 kg
3. 10 kg
4. 1.6 kg

MCQ 72: If two forces of 4 N and 7 N towards right are acting on an object in a same direction and two forces of 3 N and 2 N towards left are opposing them. The resultant force is

1. 5 N to left
2. 6 N to right
3. 11 N to right
4. no resultant force

MCQ 73: Formula for weight is

1. W = mv, where m is mass and v is velocity
2. W = mg, where m is mass and g is the gravitational pull
3. W = vg, where v is velocity and g is the gravitational pull
4. W = da, where d is distance and a is acceleration

MCQ 74: Friction has

1. only negative effects
2. only positive effects
3. both positive and negative effects
4. no effect in our life

MCQ 75: Use of friction in breaking pads of cars is a

1. positive effect of friction
2. negative effect of friction
3. neutral effect
4. combined effect (positive and negative both)