Science & Technology

SI unit of force?

A Watt
B Newton
C Joule
D Pascal —

SI unit of work/energy?

A Watt
B Joule
C Newton
D Pascal —

SI unit of power?

A Watt
B Joule
C Newton
D Pascal —

SI unit of pressure?

A Newton
B Joule
C Pascal
D Watt —

The formula relating force, mass, and acceleration is?

A F = ma
B F = mv
C F = m/a
D F = maÂ² —

Which law states "every action has an equal and opposite reaction"?

A Newton's First Law
B Newton's Second Law
C Newton's Third Law
D Law of Gravitation —

Which law is also known as the Law of Inertia?

A Newton's First Law
B Newton's Second Law
C Newton's Third Law
D Law of Gravitation —

The SI unit of mass is?

A Kilogram
B Gram
C Pound
D Newton —

The SI unit of momentum is?

A kgÂ·m/s
B kg/s
C N/s
D m/sÂ² —

Acceleration due to gravity on Earth is approximately?

A 8.9 m/sÂ²
B 9.8 m/sÂ²
C 10.8 m/sÂ²
D 11.2 m/sÂ² —

Escape velocity from Earth is approximately?

A 7.9 km/s
B 11.2 km/s
C 15 km/s
D 5 km/s —

In the absence of external force, which quantity remains constant as per the law of conservation of momentum?

A Kinetic energy alone
B Total momentum
C Velocity alone
D Force —

The property of a fluid resisting relative motion between its layers is called?

A Surface tension
B Viscosity
C Density
D Elasticity —

The phenomenon by which a liquid surface behaves like a stretched membrane is called?

A Viscosity
B Surface tension
C Capillarity
D Elasticity —

The rise or fall of a liquid in a narrow tube is called?

A Surface tension
B Capillarity (capillary action)
C Viscosity
D Buoyancy —

The property of a material to regain its original shape after removal of a deforming force is called?

A Plasticity
B Elasticity
C Viscosity
D Ductility —

Which principle explains why objects float or sink in a fluid?

A Pascal's Principle
B Archimedes' Principle
C Bernoulli's Principle
D Newton's Law —

Archimedes' Principle relates the buoyant force on an object to the?

A Weight of the fluid displaced
B Weight of the object itself
C Density of the object only
D Surface area of the object —

Which principle states that pressure applied to an enclosed fluid is transmitted equally in all directions?

A Pascal's Principle
B Archimedes' Principle
C Bernoulli's Principle
D Boyle's Law —

Bernoulli's Principle relates to the?

A Buoyancy of objects
B Relationship between pressure and velocity in a moving fluid
C Elasticity of solids
D Force of gravity —

Where does the center of mass of a uniform ring lie?

A On the ring itself
B At the geometric center of the ring, outside its material
C Outside the plane of the ring
D Cannot be determined —

Which of the following is a vector quantity?

A Mass
B Velocity
C Speed
D Time —

Which of the following is a scalar quantity?

A Force
B Speed
C Velocity
D Acceleration —

The SI unit of density is?

A kg/mÂ³
B kg/m
C N/mÂ³
D kgÂ·m —

The value of the universal gravitational constant (G) was first experimentally determined by?

A Newton
B Henry Cavendish
C Einstein
D Galileo —