#1
1. Which of the following is a scalar quantity?
1 answered
#2
2. If an object is in equilibrium, what can be said about the sum of forces acting on it?
1 answered
#3
8. What is the SI unit of torque?
1 answered
#4
9. Which of the following is a vector quantity?
1 answered
#5
15. Which law of motion is described by the statement: 'For every action, there is an equal and opposite reaction'?
1 answered
#6
18. What is the unit of angular velocity?
1 answered
#7
3. What is the formula for calculating average speed?
1 answered
#8
4. In projectile motion, what is the horizontal component of velocity?
1 answered
#9
6. What is the work done by a force when the displacement is perpendicular to the force?
1 answered
#10
7. In circular motion, what is the centripetal force responsible for?
1 answered
#11
12. What is the relationship between the frequency (f) and the period (T) of a wave?
1 answered
#12
13. According to Kepler's laws of planetary motion, what is the shape of a planet's orbit?
1 answered
#13
5. According to Newton's second law of motion, what is the relationship between force, mass, and acceleration?
1 answered
#14
10. What does the term 'inertia' refer to in physics?
1 answered
#15
11. What is the conservation law associated with the total mechanical energy of a system?
1 answered
#16
14. What is the formula for calculating gravitational potential energy?
1 answered
#17
19. Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted?
1 answered
#18
20. What is the formula for calculating the centripetal acceleration of an object moving in a circle?
1 answered