Force and laws of motion medium

Force and Laws of Motion Quiz (Medium)

1. Which of Newton's laws of motion states that the force acting on an object is equal to the mass of the object multiplied by its acceleration?

a) Newton's First Law b) Newton's Second Law c) Newton's Third Law d) Newton's Law of Universal Gravitation

2. When a body is immersed in a fluid, it experiences an upward force known as:

a) Friction b) Gravitational force c) Normal force d) Buoyant force

3. The resistance offered by a surface to the relative motion of an object is called:

a) Tension b) Gravitational force c) Friction d) Normal force

4. Which of the following is an example of a non-contact force?

a) Magnetic force b) Frictional force c) Tension in a rope d) Applied force

5. An object is at rest. Which of the following statements about the net force acting on the object is correct?

a) The net force is zero. b) The net force is non-zero. c) The net force is directed upwards. d) The net force is directed downwards.

6. The force required to maintain the motion of an object at a constant velocity in the absence of any other forces is:

a) Gravitational force b) Frictional force c) Normal force d) Applied force

7. The weight of an object is the force with which it is attracted towards the:

a) Earth's magnetic field b) Earth's surface c) Center of the Earth d) Earth's atmosphere

8. Which of Newton's laws of motion explains the relationship between the force applied to an object, the mass of the object, and its acceleration?

a) Newton's First Law b) Newton's Second Law c) Newton's Third Law d) None of the above

9. An object moving in a circular path at a constant speed experiences an inward force known as:

a) Frictional force b) Gravitational force c) Centripetal force d) Tension

10. The rate of change of velocity of an object is called:

a) Speed b) Distance c) Acceleration d) Momentum