📘 Class 8 – Physics
Q. What is force?
Ans: Force is a push or pull that can change the shape or motion of an object.
Q. What is force?
Ans: Force is a push or a pull that can change the shape or motion of an object.
Q. What is pressure?
Ans: Pressure is the force acting per unit area.
Q. What is friction?
Ans: Friction is a force that opposes motion between two surfaces in contact.
Q. Define density. (Q310)
Ans: Density is mass per unit volume.
Q. Define pressure. (Q410)
Ans: Pressure is force acting per unit area.
Q. What is force?
Ans: Force is a push or pull that can change the shape or motion of an object.
Q. What is force?
Ans: Force is a push or a pull that can change the shape or motion of an object.
Q. What is pressure?
Ans: Pressure is the force acting per unit area.
Q. What is friction?
Ans: Friction is a force that opposes motion between two surfaces in contact.
Q. Define density. (Q310)
Ans: Density is mass per unit volume.
Q. Define pressure. (Q410)
Ans: Pressure is force acting per unit area.