Understanding Forces and Motion

The video tutorial explains the concept of force and motion, detailing how force can affect an object's movement, speed, direction, shape, and size. It introduces tools like the spring balance for measuring force and discusses the unit of force, Newton. The tutorial also covers the effects of gravity and provides examples to illustrate these concepts. A short exercise at the end helps reinforce the learning objectives.

What is the unit used to measure force?

• Newton

• Watt

• Pascal

• Joule

Which device is used to measure force?

• Thermometer

• Barometer

• Voltmeter

• Spring balance

What happens to a cart when a greater force is applied to it?

• It changes direction

• It stops

• It moves faster

• It moves slower

What is the effect of friction on a moving vehicle?

• Stops the vehicle

• Decreases speed

• Changes direction

• Increases speed

How can force change the direction of a moving object?

• By pulling it

• By pushing it

• By stopping it

• By lifting it

What happens to a sponge when a stronger force is applied?

• It remains the same

• It changes color

• It becomes smaller

• It becomes larger

What force pulls objects toward the center of the Earth?

• Magnetism

• Friction

• Gravity

• Electricity

What change occurs when a player hits a billiard ball with a stick?

• Change in direction

• Change in speed

• Change in size

• Change in shape

What is the effect of a waterfall on rocks below it?

• Change in shape and size

• Change in color

• Change in direction

• Change in speed

What happens to a soccer ball when a boy kicks it?

• It disappears

• It moves

• It remains at rest

• It changes color