The fast objects cause a big harm during collision.
False
True
The kinetic energy of the object depends on its_____
speed
direction
energy
The kinetic energy ..........by increasing the speed of object.
increase
decrease
not affected
When an object crashes another one transfers some energy to it.
To avoid accident we shouldn’t ride the car with ............
high speed
low speed
The slow rubber ball produce higher sound when it hits the racket more than the faster one.
By increasing the mass of the object ____________
the consuming of fuel increases.
the harms of collision decreases
the kinetic energy decreases
The big vehicle causes ......... harms during the collision than the small one moves by the same speed
less
more
The energy changes during collision from __________
kinetic to heat
potential to kinetic
kinetic to potential
The truck needs engine ........... the car.
equal
smaller than
bigger than
By increasing the mass the speed ________
decreases
increases
.................it is the crashing of two objects with each other.
Motion
Energy
Collision
If the speed increases to double the kinetic energy increases ____
three times
six times
four times
By increasing the mass of the object the kinetic energy_________
Kinetic energy depends on _______
speed and mass
speed and direction
mass and direction