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WorksheetsUnit 2 Grade 11 Physics end of grade 11 exam
Total questions: 65
Worksheet time: 1hrs 11mins
The acceleration of free fall on a certain planet is 8.0 m s-2. An object gets dropped from a height and hits the ground after 1.5 s. From what height must the object have been dropped?
6.0 m
9.0 m
11 m
12 m
At what point is vy= 0 m/s?
A
B
C
D
None of these points
At what point is vx= 0 m/s?
A
B
C
D
None of these points
Who do you agree with?
Anita: “A projectile’s vx changes because of gravity, and its vy remains constant.”
Barry: “Both vx and vy are constant.”
Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”
Dave: “A projectile has vertical acceleration and a constant horizontal velocity”
A ball is thrown into the air at some angle, with initial velocities vx (horizontal) and vy (vertical). At the very top of the ball’s path:
What is its velocity in the vertical direction?
vy
Greater than vy
Zero
A projectile is launched with a horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. Which graph correctly shows the vertical velocity of the projectile over time?
A projectile is launched with a horizontal velocity of 20 m/s and an initial vertical velocity of 20 m/s. Which graph correctly shows the horizontal velocity of the projectile over time?
when we launch a projectile at an angle of θ what is the initial horizontal velocity
0
vsinθ
vcosθ
vtanθ
when we launch a projectile at an angle of θ what is the initial vertical velocity
0
vsinθ
vcosθ
vtanθ
0 m
1.25 m
2.50 m
3.75 m
How many times does the object change the direction is it going in, based on this graph?
0
1
2
3
An object moves at a constant velocity and then stops
An object speeds up and then moves with constant velocity
An object slows down and then stops
An object speeds up and then stops
An object moves with constant velocity and the speeds up
An object slows down, stops, and then moves at a constant velocity
An object slows down, stops turns around, and then speeds up
An object slows down, stops, and then speeds up without turning around
An object moves with constant velocity and the speeds up
An object slows down, stops, and then moves at a constant velocity
An object slows down, stops turns around, and then speeds up
An object slows down, stops, and then speeds up without turning around
An object is at rest initially and then slows down
An object is at rest initially and then speeds up
An object moves at a constant velocity and then slows down
An object moves at a constant velocity and then speeds up
Which of the following shows an object at rest?
Which of the following show an object moving in the negative direction?
Use the picture above to choose the most accurate description of the object's motion
object is at rest
object is slowing down
object is moving at a constant speed
object is speeding up
This block of mass m is in translational equilibrium.
There is friction on the plane-block.
Choose the correct equation parallel to the plane.
Wsinø - Ff = 0
Wsinø + Ff = 0
Wsinø + Ff = ma
Wsinø - Ff = ma
This block of mass m is in translational equilibrium.
There is friction on the plane-block.
Normal force = ....
Wcosø
Wsinø
Wcosø - F
Wsinø - F
This block of mass m is in translational equilibrium.
There is friction on the plane-block.
Block is sliding down with ....
constant velocity
constant acceleration
increasing velocity
increasing acceleration
This block of mass m is in translational equilibrium.
There is friction on the plane-block.
Block is sliding down. Choose the correct option.
Wsinø - μd•Wcosø = 0
Wsinø - μd•Wsinø = 0
Wcosø - μd•Wcosø = 0
Wcosø - μd•Wsinø = 0
This block of mass m.
There is friction on the plane-block.
Block is sliding down with acceleration. Choose correct option.
Wsinø - μd•Wcosø = m•a
Wsinø - μd•Wsinø = m•a
Wcosø - μd•Wcosø = W•a
Wcosø - μd•Wsinø = W•a
This block of mass m.
There is friction on the plane-block.
Block is sliding down with acceleration. Choose the correct option.
Wsinø > μd•Wcosø
Wsinø < μd•Wsinø
Wcosø > μd•Wcosø
Wcosø < μd•Wsinø
What are the forces on y-axis with this block mass m?
R + F•sinø – mg = 0
R + F•sinø – mg = ma
R + F•scosø – mg = 0
R + F•cosø – mg = ma
An object moves in the x-y plane. The graphs below show how the component of its velocity Vx in the x-direction and the component of its velocity Vy in the y-direction, vary with time t
The particle is moving in a parabola.
The particle is moving with simple harmonic motion.
The particle is moving with constant velocity in a straight line.
The particle is moving in a circle.
The graph shows how the velocity of a particle varies with time.
Which of the following graphs correctly shows how the acceleration of the particle varies with time?
A football is kicked with an initial velocity u at an angle θ to the horizontal and reaches the ground t seconds later.
Ignoring air resistance what is the range R of the football?
ut
ut cosθ
ut sinθ
ut tanθ
Which of the following is a correct statement of Newton’s second law of motion?
A force acting on a body is proportional to the mass of the body.
The rate of change of momentum of a body is equal to the net external force acting on the body.
The momentum of a body is proportional to the net external force acting on the body.
A force acting on a body is proportional to the acceleration of the body.
An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe
2nd law
1st law
3rd law
The units for Impulse are
kg
N⋅s
N
m/s
kg⋅sm
In an isolated system, the net ____ on that system is zero.
external force
internal force
time interval
displacement
what is the unit of work?
Newton
Joule
Watt
meter
The graph shows the Force related to displacement of a lady pushing her daughter in a stroller. How much work was done by moving the buggy from 0-2m?
80J
-100J
20J
40J
The graph shows the Force related to displacement of a lady pushing her daughter in a stroller. How much work was done by moving the buggy from 2m to 7m?
80J
-100J
20J
40J
The graph shows the Force related to displacement of a lady pushing her daughter in a stroller. What is the TOTAL work done from 0-7m?
80J
-100J
-20J
20J
The unit of gravitational potential energy is
J
N
s
kg
The unit of elastic potential energy is
J
N
W
kg
What is the definition of translational equilibrium?
The sum of the anticlockwise and clockwise moments on the body is zero.
The sum of the forces on the body is zero. There is no resultant force.
The sum of the forces and moments on the body is zero.
What is the definition of impulse?
A body's rate of change of momentum
A body's change in momentum
A body's change in velocity
What is the definition of work done?
The energy transferred to a body by a force
The energy transferred to a body by a force in moving it through a distance
The product of a force on an object and the displacement of the object in the direction of the force.
What is an inelastic collision?
Where kinetic energy is not conserved
Where momentum is not conserved
Where energy is not consv
Where potential energy is notconserved
What is Newton's 1st Law?
The acceleration of an object is directly proportional to the resultant force acting on it, and inversely proportional to its mass.
An object's speed remains constant unless acted on by a resultant force.
An object's velocity is constant in a straight line, or an object remains at rest, unless acted on by a resultant force.
What's is Newton's 2nd Law?
When two bodies A and B interact (push or pull), the force that A exerts on B is equal and opposite to the force that B exerts on A.
The acceleration of an object is directly proportional to its mass and inversely proportional to the resultant force acting on it.
The acceleration of an object is directly proportional to the resultant force acting on it, and inversely proportional to its mass.
What is Newton's 3rd Law?
When two bodies A and B interact (push or pull), the force that A exerts on B is equal and in the same direction to the force that B exerts on A.
When two bodies A and B interact (push or pull), the force that A exerts on B is equal and opposite to the force that B exerts on A.
When two bodies A and B interact (push or pull), the force that A exerts on B is less than and in the opposite direction to the force that B exerts on A.
Which row describes the forces acting on the block when sliding with constant velocity?
The normal reaction between the plane and the block is N and the frictional force between the block and the plane is F. The coefficient of static friction between the block and the plane is μS and initially P is zero.
As P is increased in value, which one of the following statements is true concerning the relationship between F, N and μS ?
Which statement is true for the projectile when it is at the highest point Q of its path?
