Year 10 Physics

Question 1

What is weight?

Answer 1

The pull of gravity of an object’s mass. It is a force measured in Newtons (N).

Question 2

What is mass?

Answer 2

How much matter an object contains. It is measured in kg and never changes.

Question 3

What is gravitational field strength?

Answer 3

Measure of the force of gravity. Measured in Newtons per kilogram (N/kg or Nkg-1)

Question 4

What is the law of inertia?

Answer 4

An object will stay still or in motion, unless acted upon by another force. Meaning an object will not move unless someone/something pushes it.

Question 5

What is the difference between speed and velocity?

Answer 5

Speed is how fast an object is moving. Velocity is the direction an object is moving in. They are similar because they both relate to moving.

Question 6

What is Newton’s second law?

Answer 6

F=ma (force equals mass times acceleration)

Question 7

What is the formula for velocity?

Answer 7

velocity = displacement divided by time

Question 8

What is the formula for acceleration?

Answer 8

acceleration = change minus velocity divided by time