# Force Quiz For Grade 2

⁢Explanation:

Intro:
Force is an‍ integral part of physics, and understanding it ⁤is especially important for students in grade 2. To help teachers and students reinforce their understanding of Force, this⁣ quiz‍ contains 20 questions related⁤ to the‌ topic, with each question​ accompanied by its answer ‍and an explanatory sentence. Let ‍us begin.

Q1: ⁢ ‍What is force?
A: A form of energy
B: A motor⁣
C:‌ A machine
D: A law

Explanation:⁣ Force is a type of physical energy.

Q2: What are the different types‌ of force?
A: Magnetic, electrical, and gravitational
B: Light, ⁢sound, and‍ magnetic‌
C:​ Magnetic, sound, and gravitational ⁣
D: Electrical, light, and⁢ magnetic ⁢

Explanation: The three types of force are magnetic, ⁤electrical, and gravitational.

Q3: What is Newton’s First Law of Motion?
A: An object in‍ motion will remain in ‍motion
B: Every action has an equal and opposite reaction​
C:⁢ Force equals ‌mass times ‌acceleration
D: Object will accelerate when acted upon by a net force

Explanation: Newton’s First ​Law​ of Motion states ⁢that an object will accelerate when acted upon by a ⁤net force.

Q4: What is inertia?
A: Resistance ⁤to ⁣a change in velocity
B: An object in motion ​will remain in⁣ motion
C: ⁣A net force
D: Movement of an​ object

Explanation: Inertia is a property of an​ object which describes its resistance to a change in velocity.

Q5: What ⁣shape is​ the graph of a⁣ force-distance ⁣relationship?
A: Parabola
B: Ellipse
C: Hyperbola ‌
D: Straight line

Explanation: The graph of a force-distance relationship is ⁤a straight​ line.

Q6: What is the unit⁣ for measuring​ force?
A: Kilogram⁢
B: Meter
C: Newton
D: Joule

Explanation: Force is measured in Newton (N).

Q7: What is the⁤ formula for calculating force? ​
A: Force ​equals mass divided by distance
B: Force equals mass times acceleration
C: Force equals distance divided ‌by mass
D: Force equals‍ acceleration times distance

Explanation: The formula for calculating force ⁣is Force ⁤= Mass x Acceleration.

Q8: What ‍is the force ‌of gravity?
A: 9.81N
B: 12N
C: 9N
D: 11.2N

Explanation:⁤ The force of gravity ⁣is 9.81N.

Q9: Where is the force‌ of gravity applied?
A: ⁤Everywhere ‌in the universe
B: ‌On the surface of the earth
C: On objects with mass
D: On ⁢the moon

Explanation: The force of gravity is applied to objects with mass.

Q10: What is the⁢ force ‌of friction?
A:⁣ The⁢ force that opposes the motion of⁤ two‌ objects
B: The force that causes objects to accelerate ⁢
C: The force that ⁤resists motion between two objects in ⁢contact
D: The force ⁣that causes objects ‌to move ⁤in​ a⁣ circular motion

Explanation:⁣ The force of friction is the force⁢ that resists motion between⁢ two objects in contact.

Q11: What is the force of air resistance?
A: The force that resists motion between two objects in contact
B: The force of air that ‍opposes the ‌motion⁣ of⁤ an object ‍
C: The ⁤force that causes objects to accelerate
D: The force that ‌causes objects to move in a circular motion⁣

Explanation: The force of air resistance is‌ the force of air that opposes the motion of an object.

Q12: How does air resistance decrease an object’s speed?‌
A: It reduces ‌the amount of air around the object
B: It reduces the object’s ⁤acceleration
C: It increases the amount of air around the object
D: It increases the object’s acceleration

Explanation: Air resistance decreases an object’s speed by reducing its acceleration.

Q13: What is the force of magnetic attraction?
A: The force of ‍two like magnets ⁣attracting one another
B: The force of ‍two⁤ unlike⁤ magnets repelling one another‍
C: The force⁤ of⁢ two opposite magnets⁣ attracting one ​another
D: ‍The force of two like poles repelling one another

Explanation: The force of⁤ magnetic attraction is ⁣the force of two like magnets attracting one another.

Q14: What is the force of magnetic repulsion?
A:⁢ The force of two ‌like magnets attracting one another
B: ​The force of two unlike⁤ magnets repelling one‍ another
C: The force of two opposite magnets⁣ attracting one another
D: The force of ⁢two like‍ poles repelling one another

Explanation: The force of magnetic repulsion is the force⁤ of two like poles repelling one another.

Q15: ⁢What​ is the force ⁢of​ an⁣ electric field?
A: The force of two like electric charges repelling one another
B: The force of‌ two opposite‌ electric charges attracting one another
C: The force of‍ two like electric charges‍ attracting‌ one another
D: The force of two opposite ⁣electric​ charges repelling ‌one another

Explanation: The ⁢force of an electric field is the ⁣force of two opposite electric charges attracting one ‍another.

Q16: ⁤What is the unit of work?
A: Kilogram
B:‌ Meter
C: Jaguar
D: Joule ‌

Explanation: Work is measured in Joule (J).

Q17: What is power?
A: The⁤ rate of doing work ​
B: Work done in a given time‍
C: The force applied to an object
D: The speed of an object

Explanation: Power is the rate of doing⁤ work.

Q18: ⁤What is the formula for calculating power? ⁣
A: Power equals work⁢ divided by time
B: Power equals work times acceleration
C: ‌Power equals work multiplied by time
D: Power equals acceleration ⁣divided by time

Explanation: ⁢The formula​ for calculating power is‍ Power = Work x Time.

Q19: What⁢ is the unit of power?
A: Watt
B: Meter
C: Kilowatt
D: Joule⁣