Grade 9 physics laws of motion

Question 1

The inertia of a moving object depends on:

Accepted Answer

Mass of the object

Question 2

What's the formula for Newton's second law of motion (Force)?

Accepted Answer

F= M x A

Question 3

When a balloon held between the hands is pressed, its shape changes. This happens because:

Accepted Answer

Balanced forces act on the balloon

Question 4

An object that is not accelerating or decelerating must have zero net force acting on it.

Accepted Answer

True

Question 5

The speed of a car weighing 1500 kg increases from 36 km/h to 72 km/h uniformly. What will be the change in momentum

Accepted Answer

15000 kg m/s

Question 6

What is another name for the first law of motion

Accepted Answer

All are correct

Question 7

The only way to slow down a moving object is to apply a net force to it.

Accepted Answer

True

Question 8

An object's inertia causes it to come to a rest position.

Accepted Answer

False

Question 9

The inertia of a moving object depends on

Accepted Answer

mass of the object

Question 10

The unit of measuring the momentum of a moving body is:

Accepted Answer

kg.m/s

Questions 10