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Unit 2 Grade 11 Physics end of grade 11 exam

Total questions: 65

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
2.
An object  accelerates at 2  m/s^2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16  m/s?
a)
4 s
b)
8 s
c)
16 s
d)
1/16 s
3.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
4.

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?

a)

6.0 m

b)

9.0 m

c)

11 m

d)

12 m

5.

At what point is vy= 0 m/s?

a)

A

b)

B

c)

C

d)

D

e)

None of these points

6.

At what point is vx= 0 m/s?

a)

A

b)

B

c)

C

d)

D

e)

None of these points

7.

Who do you agree with?

a)

Anita: “A projectile’s vx changes because of gravity, and its vy remains constant.”

b)

Barry: “Both vx and vy are constant.”

c)

Chris: “A projectile has no acceleration in the vertical dimension but it does accelerate horizontally.”

d)

Dave: “A projectile has vertical acceleration and a constant horizontal velocity”

8.

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?

a)

vy

b)

Greater than vy

c)

Zero

9.

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)
b)
c)
d)
10.

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?

a)
b)
c)
d)
11.
The more mass an object has, the faster it will fall.
a)
True
b)
False
12.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
13.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
14.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
15.
A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?
a)
14.3 m
b)
30.55 m
c)
65 m
d)
43.55 m
16.

when we launch a projectile at an angle of θ\theta  what is the initial horizontal velocity

a)

0

b)

vsinθv\sin\theta  

c)

vcosθv\cos\theta  

d)

vtanθv\tan\theta  

17.

when we launch a projectile at an angle of θ\theta  what is the initial vertical velocity

a)

0

b)

vsinθv\sin\theta  

c)

vcosθv\cos\theta  

d)

vtanθv\tan\theta  

18.
a)

0 m

b)

1.25 m

c)

2.50 m

d)

3.75 m

19.

How many times does the object change the direction is it going in, based on this graph?

a)

0

b)

1

c)

2

d)

3

20.
a)

An object moves at a constant velocity and then stops

b)

An object speeds up and then moves with constant velocity

c)

An object slows down and then stops

d)

An object speeds up and then stops

21.
a)

An object moves with constant velocity and the speeds up

b)

An object slows down, stops, and then moves at a constant velocity

c)

An object slows down, stops turns around, and then speeds up

d)

An object slows down, stops, and then speeds up without turning around

22.
a)

An object moves with constant velocity and the speeds up

b)

An object slows down, stops, and then moves at a constant velocity

c)

An object slows down, stops turns around, and then speeds up

d)

An object slows down, stops, and then speeds up without turning around

23.
a)

An object is at rest initially and then slows down

b)

An object is at rest initially and then speeds up

c)

An object moves at a constant velocity and then slows down

d)

An object moves at a constant velocity and then speeds up

24.

Which of the following shows an object at rest?

a)
b)
c)
d)
25.

Which of the following show an object moving in the negative direction?

a)
b)
c)
d)
e)
26.

Use the picture above to choose the most accurate description of the object's motion

a)

object is at rest

b)

object is slowing down

c)

object is moving at a constant speed

d)

object is speeding up

27.

This block of mass m is in translational equilibrium.

There is friction on the plane-block.

Choose the correct equation parallel to the plane.

a)

Wsinø - Ff = 0

b)

Wsinø + Ff = 0

c)

Wsinø + Ff = ma

d)

Wsinø - Ff = ma

28.

This block of mass m is in translational equilibrium.

There is friction on the plane-block.

Normal force = ....

a)

Wcosø

b)

Wsinø

c)

Wcosø - F

d)

Wsinø - F

29.

This block of mass m is in translational equilibrium.

There is friction on the plane-block.

Block is sliding down with ....

a)

constant velocity

b)

constant acceleration

c)

increasing velocity

d)

increasing acceleration

30.

This block of mass m is in translational equilibrium.

There is friction on the plane-block.

Block is sliding down. Choose the correct option.

a)

Wsinø - μd•Wcosø = 0

b)

Wsinø - μd•Wsinø = 0

c)

Wcosø - μd•Wcosø = 0

d)

Wcosø - μd•Wsinø = 0

31.

This block of mass m.

There is friction on the plane-block.

Block is sliding down with acceleration. Choose correct option.

a)

Wsinø - μd•Wcosø = m•a

b)

Wsinø - μd•Wsinø = m•a

c)

Wcosø - μd•Wcosø = W•a

d)

Wcosø - μd•Wsinø = W•a

32.

This block of mass m.

There is friction on the plane-block.

Block is sliding down with acceleration. Choose the correct option.

a)

Wsinø > μd•Wcosø

b)

Wsinø < μd•Wsinø

c)

Wcosø > μd•Wcosø

d)

Wcosø < μd•Wsinø

33.

What are the forces on y-axis with this block mass m?

a)

R + F•sinø – mg = 0

b)

R + F•sinø – mg = ma

c)

R + F•scosø – mg = 0

d)

R + F•cosø – mg = ma

34.

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

a)

The particle is moving in a parabola.

b)

The particle is moving with simple harmonic motion.

c)

The particle is moving with constant velocity in a straight line.

d)

The particle is moving in a circle.

35.

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)
b)
c)
d)
36.

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?

a)

ut

b)

ut cosθ

c)

ut sinθ

d)

ut tanθ

37.

Which of the following is a correct statement of Newton’s second law of motion?

a)

A force acting on a body is proportional to the mass of the body.

b)

The rate of change of momentum of a body is equal to the net external force acting on the body.

c)

The momentum of a body is proportional to the net external force acting on the body.

d)

A force acting on a body is proportional to the acceleration of the body.

38.

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

a)

2nd law

b)

1st law

c)

3rd law

39.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
40.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
41.
Which takes more force  to catch, a bowling ball or a ping pong ball?
a)
bowling ball because it has more momentum
b)
ping pong ball because it has more momentum
c)
both require the same amount of force when catching
d)
bowling ball because it has less momentum
42.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
43.
How can a tennis ball and a bowling ball have the same momentum?
a)
have the same speed
b)
have different speeds
c)
one is moving backwards
d)
they can't
44.

The units for Impulse are

a)

kg

b)

NsN\cdot s

c)

N

d)

m/s

e)

kgmskg\cdot\frac{m}{s}

45.
Softer landings tend to
a)
increase impact force
b)
increase force
c)
increase collision time
d)
increase change in momentum
46.

In an isolated system, the net ____ on that system is zero.

a)

external force

b)

internal force

c)

time interval

d)

displacement

47.

what is the unit of work?

a)

Newton

b)

Joule

c)

Watt

d)

meter

48.

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?

a)

80J

b)

-100J

c)

20J

d)

40J

49.

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?

a)

80J

b)

-100J

c)

20J

d)

40J

50.

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?

a)

80J

b)

-100J

c)

-20J

d)

20J

51.

The unit of gravitational potential energy is

a)

 J

b)

c)

d)

 kg

52.

The unit of elastic potential energy is

a)

 J

b)

c)

W

d)

 kg

53.
In this type of collision, objects tend to "stick" together.
a)
elastic
b)
inelastic 
c)
They "stick" together in both types of collisions
54.
Momentum is conserved in this type of collision
a)
elastic
b)
inelastic
c)
momentum is conserved in both types of collisions
55.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
56.

What is the definition of translational equilibrium?

a)

The sum of the anticlockwise and clockwise moments on the body is zero.

b)

The sum of the forces on the body is zero. There is no resultant force.

c)

The sum of the forces and moments on the body is zero.

57.

What is the definition of impulse?

a)

A body's rate of change of momentum

b)

A body's change in momentum

c)

A body's change in velocity

58.

What is the definition of work done?

a)

The energy transferred to a body by a force

b)

The energy transferred to a body by a force in moving it through a distance

c)

The product of a force on an object and the displacement of the object in the direction of the force.

59.

What is an inelastic collision?

a)

Where kinetic energy is not conserved

b)

Where momentum is not conserved

c)

Where energy is not consv

d)

Where potential energy is notconserved

60.

What is Newton's 1st Law?

a)

The acceleration of an object is directly proportional to the resultant force acting on it, and inversely proportional to its mass.

b)

An object's speed remains constant unless acted on by a resultant force.

c)

An object's velocity is constant in a straight line, or an object remains at rest, unless acted on by a resultant force.

61.

What's is Newton's 2nd Law?

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.

b)

The acceleration of an object is directly proportional to its mass and inversely proportional to the resultant force acting on it.

c)

The acceleration of an object is directly proportional to the resultant force acting on it, and inversely proportional to its mass.

62.

What is Newton's 3rd Law?

a)

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.

b)

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.

c)

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.

63.
A wooden block rests on a rough board. The end of the board is then raised until the block slides down the plane of the board at constant velocity v
Which row describes the forces acting on the block when sliding with constant velocity? 
a)
A
b)
B
c)
C
d)
D
64.
A block rests on a rough horizontal plane and a force P is applied to the block as shown. 
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 ? 
a)
F is always equal to μSN
b)
F is always greater than μS
c)
F is always less than μSN
d)
F can be equal to μS
65.
A projectile is launched at point O and follows the path OPQRS, as shown. Air resistance may be neglected.
Which statement is true for the projectile when it is at the highest point Q of its path? 
a)
The horizontal component of the projectile’s acceleration is zero. 
b)
The horizontal component of the projectile’s velocity is zero. 
c)
The kinetic energy of the projectile is zero. 
d)
The momentum of the projectile is zero.