Types of Forces Flashcards
It is the change in position of an object.
Motion
This is the force exerted by the Earth in pulling an object towards its center.
Gravity
_______ is the push or pull on an object.
Force
It refers to how fast or how slow an object moves.
Speed
Which of the following has the greatest frictional force?
a) muddy road
b) grass
c) cement floor
d) skating rink
a) muddy road
This is the force that acts on two surfaces and causes moving objects to stop.
Friction
It is an object that attracts objects made of iron or steel.
Magnet
Which of the following situations does NOT show gravitational force?
a) An apple falling down from the tree
b) A ballpen falling from the table
c) Snow going down
d) A balloon flying up
d) A balloon flying up
These are used to reduce the friction of surfaces.
c) Lubricants
In which of the following situations is force used to change direction?
a) When a truck is left to run downhill
b) When a driver suddenly steps on the brakes of a car
c) When an operator switches on the machine
d) When a player kicks a football high up in the air
d) When a player kicks a football high up in the air