# Force Determination mcq on electrical engineering

### Force Determination mcq on electrical engineering

Force can be defined as:
a) The amount of matter in an object
b) The velocity of an object
c) The interaction between two objects
d) The energy stored in an object

Answer: c) The interaction between two objects

Newton’s second law of motion states that the force acting on an object is equal to:
a) Its mass multiplied by its acceleration
b) Its velocity divided by its acceleration
c) Its displacement multiplied by its acceleration
d) Its mass divided by its acceleration

Answer: a) Its mass multiplied by its acceleration

The SI unit of force is:
a) Meter per second (m/s)
b) Newton (N)
c) Kilogram (kg)
d) Joule (J)

Which of the following is not a fundamental force in nature?
a) Gravitational force
b) Electromagnetic force
c) Strong nuclear force
d) Frictional force

The force of gravity acting on an object is dependent on:
a) The object’s mass only
b) The object’s weight only
c) The object’s mass and weight
d) The object’s volume only

Answer: a) The object’s mass only

The normal force is the force exerted:
a) By an object on a surface in contact with it
b) By a surface on an object in contact with it
c) By gravity on an object
d) By an electric field on a charged object

Answer: b) By a surface on an object in contact with it

Which of the following is an example of a non-contact force?
a) Friction force
b) Tension force
c) Magnetic force
d) Normal force

The force required to keep an object moving at a constant speed in the absence of other forces is called:
a) Frictional force
b) Applied force
c) Net force
d) Equilibrium force

The force exerted by a stretched or compressed spring is called:
a) Tension force
b) Normal force
c) Spring force
d) Centripetal force

The force exerted by a fluid on an object immersed in it is called:
a) Buoyant force
b) Tension force
c) Centripetal force
d) Gravitational force

Which of the following statements about action-reaction forces is true?
a) Action and reaction forces act on different objects
b) Action and reaction forces always have the same magnitude
c) Action and reaction forces cancel each other out
d) Action and reaction forces are always in the same direction

Answer: b) Action and reaction forces always have the same magnitude

The force of air resistance acting on a falling object depends on:
a) The object’s mass
b) The object’s velocity
c) The object’s shape and surface area
d) The object’s weight

Answer: c) The object’s shape and surface area

The force required to change the direction of an object moving in a circular path is called:
a) Centripetal force
b) Gravitational force
c) Tension force
d) Normal force

The force that opposes the motion of two surfaces in contact with each other is called:
a) Frictional force
b) Tension force
c) Elastic force
d) Magnetic force

The force that keeps an object in orbit around a celestial body is called:
a) Centripetal force
b) Gravitational force
c) Elastic force
d) Magnetic force

The force of static friction is greater than the force of kinetic friction when:
a) The surfaces are rough
b) The surfaces are smooth
c) The object is at rest
d) The object is in motion

Answer: c) The object is at rest

Which of the following is an example of a contact force?
a) Gravitational force
b) Magnetic force
c) Electric force
d) Applied force

The force required to accelerate an object with a mass of 2 kg at a rate of 3 m/s² is :
a) 1 N
b) 2 N
c) 3 N
d) 6 N

The force of gravity acting on an object is strongest on:
a) The surface of the Earth
b) High altitudes
c) Low altitudes
d) All locations equally

Answer: a) The surface of the Earth

The force exerted by an object due to its acceleration is called:
a) Gravitational force
b) Normal force
c) Applied force
d) Inertial force

The force of attraction between two masses is governed by:
a) Newton’s second law of motion
b) Newton ‘s third law of motion
c) Newton ‘s law of universal gravitation
d) Newton ‘s law of conservation of momentum

Answer: c ) Newton ‘s law of universal, gravitation

The force required to lift a 50 kg object with an acceleration of 2 m/s² is :
a) 50 N
b) 100 N
c) 150 N
d) 200 N

The force exerted by a person pulling a rope is an example of:
a) Tension force
b) Frictional force
c) Gravitational force
d) Elastic force

The force acting on an object submerged in a liquid depends on:
a) The object’s mass
b) The object’s volume
c) The density of the liquid
d) The object’s weight

The force required to accelerate a 2 kg object at 4 m/s² is:
a) 0.5 N
b) 2 N
c) 4 N
d) 8 N

The force of attraction between two electrically charged objects is an example of:
a) Magnetic force
b) Frictional force
c) Electric force
d) Tension force

The force exerted by a person pushing a car is an example of:
a) Applied force
b) Normal force
c) Elastic force
d) Magnetic force

The force required to stretch or compress a spring depends on:
a) The spring constant
b) The spring’s length
c) The spring’s mass
d) The spring’s velocity

The force of attraction or repulsion between two magnets is an example of:
a) Magnetic force
b) Elastic force
c) Tension force
d) Frictional force