XIN ZHONG PRIMARY SCHOODL
School Year 2022-2023
ün Zhong School
CULNADNG UASANN L&DERS
SCIENCE QUIZ 4
Semester 1 Grade 6
Forces
Name/No/Ckass: Caios
A
Date:
DIRECTIONS: Circle the letter of the comect answer. [10 marks]
1. Choe is
Score:5//00
pushing Oivia on the swing.
How can Chloe make her friend on the swing go higher?
A. By pushing less
By pushing harder
C. By pushing faster
2. A brother and sister are fighting over a teddy bear.
A
Which sentence describes the forces acting on the bear?
A. The forces are unbalanced.
The forces are bakanced.
C. The sister is puling harder.
3.
What is the name of the force that makes the soccer ball fal down toward the earth?
An object in motion
stays in motion.
An object acted upon by an unbalanced
force changes speed and direction.
Friction
Gravity
C. Magnetism
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For questions number 4 and 5:
Newton's first law states that an object at rest stays at rest and an object in motion stays in
motion with the same speed and in the same direction unless acted upon by an
unbalanced force.
Newton's First Law of Motion
(1)
(2)
An object at rest
An object acted upon
by a balanced
stays at rest.
(3)
An object acted upon
by an unbalanced
force changes
force stays at rest.
speed and direction.
4.
Which of the pictures shows an object in motion?
A. (1)
B. (2)
M
5. Which picture shows an object with balanced forces acting on it?
A. (1)
6.
D2
C.(3)
The picture shows two teams playing tug-of-war. How can we describe the forces on the
rope?
Unbalanced
Balanced
7. Two dogs are puling on a disk, but the disk is not moving.
Complete the follovwing sentence that explains why ihis happens: The disk is not moving
because the forces acfing on the disk are:
A
B.
balanced
noncontact forces
C. unbalanced
Science6
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8.
A Crane is
holding
a Car in
the air in a
Fill in the blanks: The force of
force of the crane holding the car.
SCIapyard. Ihe car is not moviig
pulling down on the car is the same as the
A. gravity, downward
gravity, upward
C. friction, upward
D. friction, downward
9. Whena carslows down, the forces acting on it are unbalanced. Which image shows the
forces acting on a car that is slowing down?
0 . A pile of books is resting ona table.
Upward force
LI
Porce of gravity
Complete the sentence about the forces involved: use the anows in the image to help you:
The force of gravity -
_downward on the books and the table pushes
on
the books.
A. pushes, upward
pushes,
C
downward
pulls, downward
D.pulls, upward
Science 6
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DIRECTIONS: Read the following questions below and wrtte the net force. [10 marks
12.
13.
SH0Newons
S0 N
450 Newtons
50 N
50 N
Net Force: 0_N
Net Force: o
14
N
Net Force: N
15.
60 N
16.
10 N
80 N
Net Force: ON
17. Three
men are
75 N
60 N
Net Force: S N
puling with
a
50 N
force of 200 N. and the
puling with a torce of 70 N. What is the net torce:
50 N
Net Force l a N
worman is
N
8. Each of these three charocters is puling with an equai force of
80 N. What is the net force?
19. Both sides
pull with an equal
This means that the
balanced
ON
force of 180 N and
no one moves
opposing forces are
b. unbalanced
20. a. When two forces are balanced, do the forces produce motion?
A. Yes
No
b. When two forces are unbakanced, do the forces produce motion?
Yes
SCience 6
B.
No
Cambridge Assessment
International Education
Cambridge International School
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