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WorksheetsChapter 8: Force and Motion
Total questions: 20
Worksheet time: 9mins
What is Mickey doing?
Pushing the door
Pulling the door
What kind of force acts on a spring balance when the weight of an object is being measured with it?
Elastic force
Normal force
Frictional force
Gravitational force
The SI unit of force is
Pascal, Pa
Newton, N
Newton Meter, N m
Kilogram, kg
Diagram above shows a boy pulling
a box. How can he move the box
more easily?
Using wooden rollers
Move the box on a carpet
Increase the weight of the box
Create a pattern on the surface of the box
The swimmer pushes off of the wall of the pool and moves forward. What is the ACTION in this example?
Swimmer pushes off the wall of the pool
Swimmer moves forward
Diagram above shows a toy car is pushed hardly from its backside while it is still moving. What is the effect of force shown?
Force can move a static object.
Force can stop a moving object.
Force can change the speed of a moving object.
Force can change the direction of a moving object.
An object weighs 500 N. It displaces 150 N of water. What is the apparent weight of the objects?
3.33 N
350 N
500 N
650 N
An object should float in a liquid if...
It is denser than the liquid
It is less dense than the liquid
It has the same density as the liquid
Diagram above shows an example of lever. Which device at below is classified in the same class of lever?
The effort distance of a lever is 500 N and 50 m respectively. If the load is 1000 N, what is the distance of the load from the fulcrum in order to maintain the balance of lever?
5 m
10 m
20 m
25 m
A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Which of the following will result in equilibrium?
The larger person moving further away from the center.
Moving the smaller person further from the center.
Moving the smaller person closer to the center.
Making the smaller person do nothing.
The easiest way to open a heavy door is by applying the force
Near the hinges
At the top of the door
In the middle of the door
At the edge of the door far from the hinges
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
10 N/cm2
40 N/cm2
100 N/cm2
400 N/cm2
A person wearing steel toe capped boots and a person wearing high heels stand on a wooden floor. They both have the same weight. Which person exerts a greater pressure on the floor?
The person wearing the boots because the boots have a smaller surface area in contact with the floor
The person wearing the boots because the boots have a larger surface area in contact with the floor
The person with the high heels because they have a larger surface area in contact with the floor
The person with the high heels because they have a smaller surface area in contact with the floor
The pressure of the gas in the balloon in the ice water will be:
Less than that of the balloon in the boiling water.
Greater than that of the balloon in the boiling water.
The same as that of the balloon in the boiling water.
Not enough information to answer the statement.
Where could a hole be made to enable the water to be sucked up ?
P and Q
R and S
Q and R
P and S
Identify the correct pressure at X and Y.
X and Y has the same pressure.
X: High pressure; Y: Low Pressure
X: Low pressure; Y: High Pressure
Not enough information to answer the statement.
Air pressure is greater
at the top of the mountain
at the center of the mountain
at the bottom of the mountain
Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?
The cost of construction is lower.
Water pressure increases with depth.
The design of this structure is stronger.
Water pressure acts uniformly in all directions.
Why is it dangerous to hold your breathe when SCUBA diving?
Water pressure can force water into your lungs
Air in your lungs can expand as you ascend, damaging them
Air in your lungs can expand as you descend, damaging them
Your lungs stretch as you go deeper due to increasing pressure
