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Q 1/36
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when object has heavier mass and faster speed it will have more kinetic energy
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Q 2/36
Score 0
If we hit a ball with a wooden bat, the energy of the wooden bat .........
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will remain as it is in the wooden bat
will transfer into the ball
will transform into light energy in the ball
will be destroyed and no longer be existed
36 questions
Q.
when object has heavier mass and faster speed it will have more kinetic energy
1
30 sec
Q.
If we hit a ball with a wooden bat, the energy of the wooden bat .........
2
30 sec
Q.
When the cricket bat hits the ball, the ball direction ……. and the ball Speed ……....
3
30 sec
Q.
The mass of an object .........
4
30 sec
Q.
As the mass of a vehicle increases, it needs ........ to move so it has ........
5
30 sec
Q.
As the force that acts on an object increases, its ability to do work ........
6
30 sec
Q.
the more ..... and ..... of the object the more its kinetic energy
7
30 sec
Q.
The amount of fuel that is used in a big truck to produce a certain amount of kinetic energy is ............ the amount of fuel in a small car to get the same amount of kinetic energy.
8
30 sec
Q.
On a flat road, if a large truck is traveling at the same speed of a small car, then the truck has ...........
9
30 sec
Q.
in this figure if the car moves from point (A) to point (B), so its kinetic energy .........
10
30 sec
Q.
the red and yellow car has the same mass but according to the inclination of ramp the red car will be ...........
11
30 sec
Q.
the truck and the car has the same mass so the truck .........
12
30 sec
Q.
as you push the first marble ..... energy transfers from your hand to the marble
13
30 sec
Q.
during collisions between marbles after pushing the first marble, kinetic energy transformed to ...... energy
14
30 sec
Q.
in this figure the car in (A) position ..... to move at the same speed
15
30 sec
Q.
with consuming the same amount of fuel the car in A position will have ...... speed than in B position
16
30 sec
Q.
All the following factors affect the kinetic energy of a moving car, except .........
17
30 sec
Q.
During collision, the energy of the collided objects is ......
18
30 sec
Q.
If two objects collide with each other, the energy after collision ......... the energy before collision.
19
30 sec
Q.
When two balls are pulled away at the left side of Newton's cradle, this result to moving ....... at the right side.
20
30 sec
Q.
2. Some of kinetic energy is changed during collisions of balls in Newton's cradle, as sound and thermal energies.
21
30 sec
Q.
Seatbelt and Airbag is one of the safety equipment in cars.
22
30 sec
Q.
During a crash between two cars, the potential energy transfers from the faster car to the slower one.
23
30 sec
Q.
During a crash between car and train moving at the same speed, the kinetic energy transfers from the train to the car
24
30 sec
Q.
the Fast-moving objects will be exposed to more damage than slow ones.
25
30 sec
Q.
A small object at a low speed has a big amount of kinetic energy.
26
30 sec
Q.
The smaller the mass of the vehicle, the less fuel it consumes.
27
30 sec
Q.
Speed and mass are the factors that affect the kinetic energy of a moving object.
28
30 sec
Q.
Your kinetic energy when moving on the Earth's surface is equal to your kinetic energy when moving down a ramp.
29
30 sec
Q.
3. Among the forms of energy that doesn't exist in Newton's cradle during collisions, are light and chemical energies.
30
30 sec
Q.
A smaller and slower object has more kinetic energy than that of a larger and faster object.
31
30 sec
Q.
The crash investigator can collect information about a car crash through ....
32
30 sec
Q.
When a cricket bat hits the ball, its kinetic energy transfers to the ball.
33
30 sec
Q.
The wrecking ball is used to destruct walls of buildings.
34
30 sec
Q.
The wrecking ball will do more damage to the walls of buildings if it has .........
35
30 sec
Q.
cars collision in figure (A) was in the same direction while in (B) was in opposite direction so ........
