T2 PS PH Unit 1 Test

Front

The application of science to meet human needs and solve problems is called:

Back

Technology

Front

What is the net force acting on a box sliding down a ramp with a 10-N force of gravity and a 2-N force of friction?

Back

8 N

Front

What does the prefix 'kilo' mean in SI units?

Back

1,000

Front

What is the acceleration due to gravity?

Back

9.8 m/s²

Front

What is the SI unit of force preferred by scientists?

Back

Newton

Front

Define 'Force'.

Back

A push or pull on an object resulting from its interaction with another object.

Front

What is the formula for calculating net force?

Back

Net Force = Total Forces Acting on an Object - Opposing Forces

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is the SI unit of mass?

Back

Kilogram (kg)

Front

What is friction?

Back

A force that opposes the motion of an object.