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Year 10 Physics Revision

Total questions: 70

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

Convert 50km/h to m/s (Include units and round to 2 decimal places)

(a)  

2.

A train travels 25 km in 0.5 hrs. How fast is the train going?

a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
3.
If a robot chases you down at a speed of 900 m/s for a distance of 200 m. How long has the robot been chasing you?
a)
0.22 s
b)
4.5 s
c)
180000 s
4.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
5.
Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?
a)
400 minutes
b)
100 minutes
c)
100 seconds 
d)
.25 seconds 
6.

Mrs. Avery speed walked 20 metres in 10 minutes, what is her speed in m/s?

a)

0.03m/s

b)

0.3 m/s

c)

2 m/s

d)

0.2 m/s

7.

Match the description to the graph:

"The car is stopped."

a)
b)
c)
d)
8.

Match the description to the graph:

"The car is traveling at a constant speed."

a)
b)
c)
d)
9.

Match the description to the graph:

"The car is coming back."

a)
b)
c)
d)
10.

Segment O-A The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

11.

Segment A-B The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

12.

Calculate Albert's average speed for the 100-meter race.

a)

8.33 m/s

b)

5 m/s

c)

7.14 m/s

d)

5.88 m/s

13.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
14.
How many times does this object STOP moving?
a)
None
b)
Once
c)
Twice
d)
Three times
15.

What is the speed of the marble at 2 s?

a)

5 m/s

b)

5 s/m

c)

20 m/s

d)

20 s/m

16.
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
17.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
18.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
19.
How fast is the car traveling at 30 seconds?
a)
5m/s
b)
10m/s
c)
20m/s
d)
30m/s
20.

At what point is the speed the greatest?

a)

C-D

b)

B-C

c)

A-B

d)

D-E

21.

What is happening during point A to B?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 10 m/s2 acceleration

22.

What is happening during point C to D?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 0 m/s2 acceleration

23.

Match the graph to the description:

"The car is traveling at a constant speed."

a)
b)
c)
d)
24.

Mark slams on the brakes after traveling 25 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?

a)

8.33 m/s2

b)

-8.33 m/s2

c)

75 m/s2

d)

-75 m/s2

25.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
26.
If one object has twice as much mass as another object, it also has twice as much...
a)
inertia
b)
velocity
c)
acceleration due to gravity
d)
DO NOT PUSH ME
27.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
28.
Why is the net force 0 in the image?
a)
Because the elephants are the same size
b)
Because they are both pulling the same amount of force in opposite directions
c)
Because they are elephants
d)
Because they are pulling away from each other.
29.

This object would be moving (pick all that are correct):

a)

up

b)

down

c)

left

d)

right

30.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
31.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
32.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
33.

A downward-moving skydiver who has just opened the parachute is slowing down.

a)
b)
c)
d)
34.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
35.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
36.

which box has more acceleration?

a)

top

b)

bottom

37.

which box has more acceleration?

a)

top

b)

bottom

38.

what happens to the acceleration when the force on an object is doubled?

a)

acceleration also doubles

b)

acceleration becomes half

c)

no change in the acceleration

d)

acceleration becomes zero

39.

use the triangle to solve the question.

Find the acceleration of a box having mass 10Kg when a force of 20N is applied on it.

a)

1m/s2

b)

2m/s2

c)

10m/s2

d)

5m/s2

40.

use the triangle to solve the question.

Find the force required to move a box having mass 10Kg with an acceleration of 9m/s2 .

a)

10N

b)

90N

c)

100N

d)

20N

41.

find the acceleration of the box.

a)

12m/s2 towards right

b)

12m/s2 towards left

c)

40m/s2

d)

60m/s

42.
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?
a)
36 N
b)
12 N
c)
3 N
d)
0.33 N
43.

A girl weighs 300 N what is her mass here on Earth?

a)

40.8 kg

b)

41 kg

c)

30.6 kg

d)

300 N

44.

Find the weight of a 20g object

a)

200N

b)

20g

c)

0.2N

d)

0.02kg

45.

Your friend pushes you for making fun of him/her. What is the reaction force?

a)

You pushing back on your friend

b)

You pushing on the ground

c)

There is no reaction force

d)

Your friend pushing on the ground

46.

When you hit a tennis ball with a racket...

a)

The ball exerts more force on the racket

b)

The ball and racket exert the same force on each other

c)

The racket exerts more force on the ball

d)

It depends on how hard you hit it

47.

What causes a jet ski to move forward?

a)

The motor pushes the jet ski forward

b)

The water pushes the jet ski forward

c)

The person pushes the jet ski forward

d)

Gravity pushes the jet ski forward

48.

A small bug splats against a car windshield. Which object experiences greater force?

a)

The bug

b)

The windshield

c)

Both experience the same force

d)

Not enough info given

49.

Complete the law:


For every action, there is an ____________ reaction.

a)

equal and opposite

b)

equal

c)

opposite

d)

bigger and better

50.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
51.

What is the correct unit for energy?

a)

meters (m)

b)

kilogram meters per second (kg m/s)

c)

Newtons (N)

d)

Joules (J)

52.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
53.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
54.

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

a)

250,000 J

b)

2,450,000 J

c)

2,451,663 J

d)

248 J

55.

Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

a)

12,789 Joules

b)

24,500 Joules

c)

4,500 Joules

56.

If an object that weighs 450N falls from a height of 200m. What speed will it travel? (HINT: Its a two step process)

a)

45.2 m/s

b)

62.9 m/s

c)

2.25 m/s

d)

9000 m/s

57.

Calculate the force generated by an object with a mass of 45kg that speeds up from 5 m/s to 15 m/s in 4 seconds. (Hint: Two step process)

a)

112.5 N

b)

11.25 N

c)

25 N

d)

180 N

58.

Convert 7 m/s to km/h

a)

3 km/h

b)

28 km/h

c)

1.94 km/h

d)

25.2 km/h

59.

Convert 15 minutes into seconds

a)

1,500 seconds

b)

900 seconds

c)

9000 seconds

d)

150 seconds

60.

Convert 15 minutes into hours

a)

0.33 hours

b)

0.5 hours

c)

0.25 hours

d)

0.2 hours

61.

A car travels from home to work. The journey is 10.3 km and takes 12 minutes. What is its speed in km/h?

a)

0. 98 km/h

b)

0.86 km/h

c)

50 km/h

d)

51.5 km/h

62.

Two friends went jogging. Their average speed was 4.5 m/s and they ran for 14 minutes. What distance did they travel?

a)

3, 780 m

b)

4000 m

c)

63 m

d)

66 m

63.

What units are speed/velocity measured in?

a)

m/s

b)

m/s/s

c)

km/min

d)

m/min

64.

What units is acceleration measured in?

a)

m/s

b)

ms2ms^2  

c)

km/s

d)

J

65.

What units is mass measured in?

a)

Kg

b)

g

c)

m

d)

N

66.

What units is weight measured in?

a)

Kg

b)

N

c)

J

d)

W

67.

What units is Work measured in?

a)

W

b)

J

c)

m

d)

Kg

68.

What units is Power measured in?

a)

J

b)

W

c)

N

d)

m/s

69.

What units is time measured in?

a)

Seconds

b)

Hours

c)

Minutes

d)

Days

70.

If the marble had a mass of 0.3kg and the hill was 2.3 m tall, how much potential energy did it have at the top of the ramp?

a)

2.3 J

b)

0.23 J

c)

6.8 J

d)

5.2 J