forces
What is a force?
A push or a pull on an object.
Which of the following is NOT an example of a force?
Temperature
What is the SI unit of force?
Newtons
According to Newton's second law of motion, what is the formula for force?
Force = mass × acceleration
Which force is responsible for objects falling towards the Earth?
Gravitational force
What type of force is responsible for keeping planets in orbit around the Sun?
Centripetal force
Which force is responsible for preventing objects from sinking in water?
Buoyant force
When two objects of unequal mass interact, the force experienced by each object is...
Equal but opposite in direction.
Which force causes an airplane to move forward?
Drag force
Which force is responsible for the sensation of weightlessness in space?
Zero net force