Physics test

Question 1

what is mass?

Answer 1

The amount of matter in an object this will be the same anywhere ✔️

Question 2

what is the units of mass?

Answer 2

Kilograms ✔️

Question 3

How to do u convert grams to kilograms?

Answer 3

• g➗ 1000= Kg or

* kg✖️1000= g ✔️

Question 4

How is mass measured?

Answer 4

With a scale or balance ✔️

Question 5

what is meant by weight?

Answer 5

weight= mass x gravity

Question 6

What is the units of weight?

Answer 6

Newtons ✔️

Question 7

what instrument is used to measure weight?

Answer 7

A Newton balance ✔️

Question 8

How do u use the formula W= MxG?

Answer 8

Weight= mass x gravity ✔️

Question 9

How do u work out the weight of objects on different planets?

Answer 9

x it by the amount of gravity on that planet ✔️

Question 10

What causes gravitational field?

Answer 10

• The size

* Distance from the sun ✔️

Question 11

What is friction?

Answer 11

A force that opposes movement ✔️

Question 12

what is drag?

Answer 12

A force that slows you down as you pass through water ✔️

Question 13

How does shape effect drag?

Answer 13

Pointed shapes have less drag than flat shapes

✔️

Question 14

What 3 things can force do to an object?

Answer 14

• Move an object
• Change an objects direction
• stop/slow an object ✔️

Question 15

What do you need to survive on another planet?

Answer 15

• Correct temperature
• Gravity
• Atmosphere ✔️

Question 16

How much gravity is there on Earth?

Answer 16

10 ✔️

Question 17

How long does it take for the earth to orbit the sun once?

Answer 17

A year ✔️

Question 18

How long does it take for the earth to spin on it’s axis?

Answer 18

A day ✔️

Question 19

How does the mass of an object effect the size of the force of friction?

Answer 19

The larger the object the larger the force of friction ✔️