The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about 1/6th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is true ?

the astronaut's weight on the Moon is about 113N

the astronaut's weight on Earth is 68N

the astronaut's mass on the Moon is about 11.3kg

the astronaut's mass is zero, half way to the moon

The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about 1 / 6 th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE ?

the astronaut's mass on the Moon is 68kg

the astronaut's weight is close to zero, two thirds of the way to the moon

the astronaut's weight on Earth is 68N

the astronaut's mass on the Moon is 11.3kg

When an elastic material passes its elastic limit...

the material will not return to its original shape.

the material will return to its original shape.

the material will compress twice as much exactly.

the material will stretch twice as much exactly.

The precision of a piece of equipment depends on...

the increments of measurement or decimal places the equipment reads to.

the way you measure the quantity.

how accurately you measure the quantity.

the size of the piece of equipment.

Mercury is much smaller than Earth. Compared to on Earth, on Mercury:

you would weigh ten times more.

In spring and stretching experiments, people often make the mistake of...

measuring the length and not the extension.

measuring the voltage and not the length.

measuring the temperature and not the length.

measuring the extension and not the length.

A child is playing on a slide. Which statement is NOT true ?

when the force of friction equals the child's weight, the downward speed decreases.

if the child tucks in their arms and head the 'slide' will be faster.

the two main forces involved are weight and friction acting in opposite directions.

if the child sat on a rough cushion the 'slide' will be slower.

Which of these statements is true.

gravity causes the force of weight

weight causes the force of gravity

mass is a force that causes weight

Forces

Quiz

•

Physics

•

7th Grade

•

Practice Problem

•

Easy

•

NGSS

MS-PS2-2, MS-PS2-4, MS-PS2-1

+2

Standards-aligned

Charles Martinez

Used 2+ times

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which is true?

Your weight would be more on the Moon than on the Earth.

Your mass would be less on the Moon than on the Earth.

Your weight would be the same on the Earth and on the Moon.

Your mass would be the same on the Earth and on the Moon.

Tags

NGSS.MS-PS2-4

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these things will not happen if there are unbalanced forces on an object?

It will start to move.

It will continue to move at the same speed.

It will slow down.

It will change direction.

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An elastic material...

cannot be squashed.

Stretched and then goes back to it's original shape.

Stretches and stays the new shape.

Does not stretch.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car needs a forwards force to keep moving because:

gravity is trying to slow it down.

everything needs a force to keep moving.

weight balances friction.

it needs a force to balance friction and air resistance.

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which word means the force of gravity on an object?

Friction

Upthrust

Pressure

Weight

Tags

NGSS.MS-PS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the units of force?

Kilogram

centimetre cubed

centimetre squared

Newtons

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The diagram shows the forces acting on a cyclist. Which label corresponds to friction and air resistance?

F1

F2

F3

F4

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Forces

19 questions

Which is true?

Which of these things will not happen if there are unbalanced forces on an object?

An elastic material...

A car needs a forwards force to keep moving because:

Which word means the force of gravity on an object?

What are the units of force?

The diagram shows the forces acting on a cyclist. Which label corresponds to friction and air resistance?

Which of the following statements must be true for the cyclist to reduce his speed?

Which of the following statements must be true for the cyclist to travel at a constant speed?

A student carried out an experiment by putting weights on the end of a spring. After each weight was added, the length of the spring was carefully measured. The results are summarised in the table. From the data, what would be the spring length with a weight of 7N on?

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