forces Flashcards
1
Q
what is force
A
force is a push or a pull
2
Q
A force can _ _ _ _ a moving object
A
stop
3
Q
there are 4 different type of forces which are….
A
magnetic force,gravitational force,frictional force and elastic spring force
4
Q
Frictions can also be reduced by using other _ _ _ _ _ _ _ _ _ _ such as grease and _ _ _
A
lubricants……….oil
5
Q
Friction acts in the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ of motion
A
opposite direction
6
Q
while pulling or lifting an object, nagative work is done by _ _ _ _ _ _ _ _ _ _ _ _ _ force
A
gravitational force
