Worksheets15/12/2025 btech em
Total questions: 10
Worksheet time: 5mins
Which of the following statements is true about a vector quantity?
A) It is completely specified by a magnitude
B) It does not have a direction
C) It follows the principle of superposition
D) It can be negative
The dimensional formula for the universal gravitational constant GGG is:
A) [M-1 L3 T-2]
B) [M L3 T-2]
C) [M-1 L3 T2]
D) [M1 L2T-2]
In the SI system, the unit of magnetic field strength is:
A) Tesla
B) Ampere
C) Coulomb
D) Weber
Which of the following is true about inertia?
A) It depends on the temperature of the object
B) It increases with the speed of the object
C) It is proportional to the mass of the object
D) It is a force that resists motion
Which of the following conditions must be satisfied for an object to be in equilibrium?
A) The sum of forces acting on the object is zero, and the sum of moments is zero
B) Only the sum of forces acting on the
object must be zero
C) The object must have zero velocity
D) The object must be at rest
A force of 100 N is applied on an object. What is the force in dynes?
A) 105 dynes
B) 106 dynes
C) 108 dynes
D) 109 dynes
What is the dimensional formula for kinetic energy?
A) [M L2 T-2]
B) [M L2 T-1]
C) [M2 L2 T-2]
D) [M L T]
Which of the following best describes Newton's first law of motion?
B) The acceleration of an object is directly proportional to the net force acting on it.
A) An object in motion stays in motion unless acted upon by an external force.
C) For every action, there is an equal and opposite reaction.
D) The velocity of an object remains constant unless acted upon by a net force.
What is the SI unit of energy?
D) Pascal
B) Newton
A) Joule
C) Watt
If an object is moving with a constant velocity, what can be said about the net force acting on it?
A) It is equal to the object's weight
D) It is decreasing
B) It is zero
C) It is increasing
