Font size
WorksheetsPhysics Final test 2
Total questions: 27
Worksheet time: 15mins
An object on a free fall is also affected by Air resistance
false
true
According to Newton's First Law an object at rest remains at rest unless it is acted upon by an internal force. True or false
False
True
if the resultant force is 0 on an object then, ...
the object is stationary
the object is accelerating
the object is moving at a constant speed
the object is decelerating
if an object is thrown up into the air, the direction of resultant force will be going . . .
left
right
up
down
resultant force is 0
Using Figure 1. Identify the forces acting on the car
tension force
force of gravity
friction force
applied force
normal force
The force with which the earth, moon, or other massively large objects attracts another object towards itself is called_________.
frictional force
normal force
gravitational force
applied force
tension force
The force that is put into an object by another person or object is _____________.
frictional force
normal force
gravitational force
applied force
tension force
___________ is the support force exerted upon an object that is in contact with another stable surface.
frictional force
normal force
gravitational force
applied force
tension force
___________ is the force transmitted through a string, rope or cable or wire when its pulled tight from opposing sides
frictional force
normal force
gravitational force
applied force
tension force
Using figure 2, what forces are acting on the ball?
spring force
gravitational force
applied force
tension force
air resistance
Using Figure 2. when the man threw the ball upward with an velocity of 10m/s, what will be the velocity of the object going down?
0 m/s
5 m/s
-10 m/s
15 m/s
Using Figure 1. when the ball reaches the peak and the ball start to fall down, what will be the velocity of the Ball?
0 m/s
5 m/s
10 m/s
15 m/s
Using Figure 3. What forces will be observed in this situation.
force of gravity
friction force
air resistance
normal force
tension force
If an object in a free fall the acceleration due to gravity is -9,8 m/s/s. True or false?
True
False
If a rock is dropped from a height of 20 feet and goes into a free fall the acceleration due to gravity will be -9.8 m/s/s. What will be the initial velocity?
0
1
2
3
4
The force of gravity is always present on object here on earth. True or false
True
False
Figure 7
Identify the forces on this body
spring force
tension force
normal force
applied force
Force of gravity
The quantity of motion of a moving body, measured as a product of its mass and velocity is _______.
Impulse
Momentum
Elastic Collision
Kinetic Energy
_______ is the force multiplied by the time it is applied
Impulse
Momentum
Elastic Collision
Kinetic Energy
In perfectly inelastic collisions what happens to the momentum?
Conserved
not conserved
lost immediately
lost gradually
According to the impulse -momentum theorem, it states that the change in the impulse is equal to the change in momentum. True or false
True
False
In the Newton's cradle the momentum is not conserved but the energy is conserved. True or False.
True
False
The unit for momentum is
p=mv
kg.m/s/s
FxT
N.s
kg.m/s
The unit for impulse is
p=mv
kg.m/s/s
FxT
N.s
kg.m/s
the factors that affect impulse are
velocity
force
mass
time
speed
Using image 1, What type of collision is shown in the image
Elastic collision
inelastic collision
perfectly inelastic
Using image 2, What type of collision is shown in the image
Elastic collision
inelastic collision
perfectly inelastic
