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