Force And Law Of Motion Flashcards
What is force?
A physical quantity which tends to change the state or form of motion of an object.
What are balanced forces?
Forces acting on an object that are equal in size and opposite in direction, resulting in no acceleration.
What do balanced forces cause?
No acceleration.
Define unbalanced forces.
Forces that are not equal and cause acceleration in an object.
What is the effect of unbalanced forces?
They cause acceleration.
What is friction?
A force which opposes motion between two surfaces in contact.
How does friction affect a moving object?
It slows down or stops the object.
What happens when brakes are applied to a moving car?
Friction is applied to stop the car.
Fill in the blank: An object in motion tends to continue in the same state of motion due to _______.
[inertia]
What is inertia?
The tendency of an object to resist changes in its state of motion.