Multiple choise
Montion is a) the change in the position of a body b) the change in the shape of a body
a) the change in the position of a body
Mention 3 types of force
gravitational, electric, magnetic and frictional
Give one example of trajectory
calculate the speed: 500 km/ 10 h
speed= 50km/ h
TRAJECTORY a) the distance traveled b) connects initial with final positions
a) the distance traveled
Speed is retaled to...
distance and time
Give one example of motion
what type of object is a piece of iron?
a rigid object
To calculate speed you divide... a) distance between time b) time between distance
a) distance between time
General types of Force
contact force and non contact force
Give one example of gravitational force
To Toss any object
when you push the door, what type of force you're applying?
contact force
REPULSION is a) 2 positive charges b) positive and negative charges
b) positive and negative charges
If force is applied to an object in motion, the speed...
increases
Give one example of magnetic force
a magnet attrackting papel clips
what is the effect of force when you kick a ball in motion
in speed
The objects are dividen into a) contact, non contact b) plastic, rigid, elastic
b) plastic, rigid, elastic
motion of objects
Give one example of the effect of force on objects
objcets can change their shape when force is applied
You have an elephant, an apple and a person, On which object gravity exerts the more force?
on the elephant