Quiz about Measuring Force

Question 1

A box is acted upon by two forces from opposite directions. What is the net force applied to the box?

Accepted Answer

20 N

Answer

10 N

Answer

30 N

Answer

40 N

Question 2

Choose the answers that best describe what is happening in the image.

Accepted Answer

The forces are unbalanced.

Accepted Answer

The system is unstable.

Answer

The forces are balanced

Answer

The system is stable.

Question 3

A person is using a pulley to pull on a bell. Calculate the net force on the bell using the measurements listed in the diagram.

Accepted Answer

20 N up

Answer

20 N down

Answer

80 N up

Answer

80 N down

Question 4

What does this measure

Accepted Answer

force

Answer

weight

Answer

mass

Question 5

Two workers at a furniture store are moving a couch to another display. One worker pushes with a force of 150 N and the other pushes with a force of 180 N in the same direction.

What is the net force exerted on the couch?

Accepted Answer

330 N

Answer

30 N

Answer

Answer

180 N

Question 6

What is the net force exerted on the student?

Accepted Answer

0 N

Answer

40 N

Answer

80 N

Answer

160 N

Question 7

A pet owner takes his dog out in the morning for exercise. The dog is happy to be out and pulls forward on his leash at a force of 100 N. The owner keeps the dog close by gently pulling backward on the leash with a force of 110 N.
Calculate the net force on the leash.

Accepted Answer

10 N backward

Answer

110 N backward

Answer

210 N forward

Answer

0 N

Question 8

A student puts a block of wood on a table as shown on figure below. She wants to measure the force needed to move the block to the left.

Which one of the following instruments should be used?

(SPE/2018/Q19)

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 9

One of the effects of forces is changing the direction of a moving object. Study the list below:
Which items in the list are also the effects of forces on an object? (SPE/2016/Q18)

Accepted Answer

I, II and IV only

Answer

I, II, III and IV

Answer

I, II and III only

Answer

I and II only

Question 10

A ball is rolling towards the right. A force is applied on the ball in the opposite direction as shown in figure below. Which of the following effects could happen to the ball? (SPE/2017/Q20)

Accepted Answer

(i), (ii), (iii)

Answer

(i), (ii)

Answer

(ii), (iii)

Answer

(ii), (iii), (iv)

Question 11

Which of the following is measured in newtons (N)?

Accepted Answer

Friction

Answer

Size

Answer

Mass

Answer

Energy

Question 12

Figure below shows two identical blocks of wood, P and Q. Two sets of forces are applied to move the blocks of wood. In which direction will P and Q move? (SPE/2012/Q12)

Accepted Answer

Both P and Q will move to the right.

Answer

P will move to the right while Q will move to the left.

Answer

P will move to the right while Q will not move.

Answer

P will not move while Q will move to the right.

Question 13

A student stands with both feet on a weighing scale in order to measure his weight. The reading on the scale is 500N. He lifts one foot off the scale and keeps it lifted.

What is the new reading on the scale? (SPE/2020/Q15)

Accepted Answer

500 N

Answer

0 N

Answer

250 N

Answer

1000 N

Question 14

If these boys are pulling with the same amount of force. What will happen?

Accepted Answer

They will not move at all.

Answer

The boy in blue will win.

Answer

The boy in red will win.

Answer

Both will fall down.

Question 15

In this force diagram, which way will the van move?

Accepted Answer

To the right

Answer

Upward

Answer

To the left

Answer

Downward

Question 16

What is the unit of force in the International System of Units (SI)?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 17

Which instrument is commonly used to measure force?

Accepted Answer

Dynamometer

Answer

Thermometer

Answer

Barometer

Answer

Ammeter

Question 18

A car is moving with a constant velocity. What can be said about the net force acting on the car?

Accepted Answer

Net force is zero

Answer

Net force is equal to the weight of the car

Answer

Net force is equal to the frictional force

Answer

Net force is equal to the applied force

Question 19

Which of the following scenarios is an example of balanced forces?

Accepted Answer

A book resting on a table

Answer

A car accelerating on a highway

Answer

A ball falling from a height

Answer

A rocket launching into space

Question 20

A spring scale reads 5 N when a weight is hung from it. What force is the spring scale measuring?

Accepted Answer

Gravitational force

Answer

Magnetic force

Answer

Frictional force

Answer

Electrostatic force

Question 21

In an experiment, a force of 15 N is applied to a block, causing it to move at a constant speed. What does this indicate about the frictional force acting on the block?

Accepted Answer

Frictional force is 15 N

Answer

Frictional force is greater than 15 N

Answer

Frictional force is less than 15 N

Answer

Frictional force is zero

Question 22

What happens to the force of gravity between two objects if the distance between them is doubled?

Accepted Answer

It becomes one-fourth as strong

Answer

It becomes four times stronger

Answer

It becomes twice as strong

Answer

It becomes half as strong

Measuring Force

25 questions

According to Newton’s Third Law, what happens when a swimmer pushes against the pool wall to propel themselves forward?

A box is acted upon by two forces from opposite directions. What is the net force applied to the box?

Choose the answers that best describe what is happening in the image.

A person is using a pulley to pull on a bell. Calculate the net force on the bell using the measurements listed in the diagram.

What does this measure

Two workers at a furniture store are moving a couch to another display. One worker pushes with a force of 150 N and the other pushes with a force of 180 N in the same direction.
What is the net force exerted on the couch?

What is the net force exerted on the student?

A pet owner takes his dog out in the morning for exercise. The dog is happy to be out and pulls forward on his leash at a force of 100 N. The owner keeps the dog close by gently pulling backward on the leash with a force of 110 N.
Calculate the net force on the leash.

According to Newton’s Third Law, what happens when a runner pushes back against the ground to propel themselves forward?

A student puts a block of wood on a table as shown on figure below. She wants to measure the force needed to move the block to the left.

Which one of the following instruments should be used?
(SPE/2018/Q19)

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Measuring Force

25 questions

According to Newton’s Third Law, what happens when a swimmer pushes against the pool wall to propel themselves forward?

A box is acted upon by two forces from opposite directions. What is the net force applied to the box?

Choose the answers that best describe what is happening in the image.

A person is using a pulley to pull on a bell. Calculate the net force on the bell using the measurements listed in the diagram.

What does this measure

Two workers at a furniture store are moving a couch to another display. One worker pushes with a force of 150 N and the other pushes with a force of 180 N in the same direction.What is the net force exerted on the couch?

What is the net force exerted on the student?

A pet owner takes his dog out in the morning for exercise. The dog is happy to be out and pulls forward on his leash at a force of 100 N. The owner keeps the dog close by gently pulling backward on the leash with a force of 110 N.Calculate the net force on the leash.

According to Newton’s Third Law, what happens when a runner pushes back against the ground to propel themselves forward?

A student puts a block of wood on a table as shown on figure below. She wants to measure the force needed to move the block to the left.Which one of the following instruments should be used?(SPE/2018/Q19)

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Two workers at a furniture store are moving a couch to another display. One worker pushes with a force of 150 N and the other pushes with a force of 180 N in the same direction.
What is the net force exerted on the couch?

A pet owner takes his dog out in the morning for exercise. The dog is happy to be out and pulls forward on his leash at a force of 100 N. The owner keeps the dog close by gently pulling backward on the leash with a force of 110 N.
Calculate the net force on the leash.

A student puts a block of wood on a table as shown on figure below. She wants to measure the force needed to move the block to the left.

Which one of the following instruments should be used?
(SPE/2018/Q19)