S1G1 Chap 2 Mastering Your Learning (Edited)

A toy has two balls connected by a spring.

The two balls are pulled apart.

Which row correctly shows the type and action of force acting on the balls when they are released?

• type of force: elastic

  action of force: pulling

• type of force: elastic

  action of force: pushing

• type of force: magnetic

  action of force: pulling

• type of force: magnetic

  action of force: pushing

What does the following instrument measure?

• Energy

• Force

• Length

• Mass

What is the unit of force?

• Metre

• Kilogram

• Newton

• Kelvin

A force is applied to an object at rest.

In which direction will the object move?

• A

• B

• C

• D

A box is pushed across the room.

In which direction does the frictional force act on the box?

• →

• ←

• ↑

• ↓

Ramps are used to allow wheelchair users to access higher floors of a building more easily. A ramp reduces the _______________.

• force needed to move the wheelchair up

• time taken to move the wheelchair up

• distance to the higher floor

• cost of building the structure

Which statement correctly describes the force that allows the box to be lifted?

• downwards force as X

• upwards force at Y

• downwards force at Z

• upwards force at Z

Identify the positions of the effort, fulcrum, and load in the diagram.

effort:​ ​ (a)  

fulcrum: ​ ​ (b)  

load: ​ ​ (c)  

• Z
• Y
• X

What does the frictional force between a matchstick and the rough surface of a matchbox produce?

• Light

• Heat

• Sound

• Electricity

What effect does the frictional force between a mouse and an old mouse pad have over time?

• Increases speed

• Reduces friction

• Causes wear and tear

• Produces light