Forces and Motion

What is a force?

• A force is a push or pull.

• A force is a color

• A force is a form of matter

• A force is a type of energy

Technically speaking, force is ______

• an interaction between two or more objects

• frictional forces and tension force

• gravitational forces and electromagnetic forces

• between earth and heaven

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What is gravity?

• Gravity is a type of energy that can light up any candle.

• Gravity is a type of sound

• Gravity is a force that attracts objects with mass towards the earth.

• Gravity is a form of light

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What is weight?

• Weight is the color of an object.

• Weight is the amount of gravitational force acting on a particular object.

• Weight is the speed of an object.

• Weight is the mass of an object.

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How does gravity affect objects on Earth?

• Gravity causes objects to float in the air

• Gravity pulls objects towards the center of the Earth, giving them weight and causing them to fall towards the ground when dropped.

• Gravity has no effect on objects on Earth

• Gravity pushes objects away from the Earth's surface

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In which condition can we determine the forces are balanced or unbalanced?

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Give an example of balanced forces.

• Pulling a box with a force of 5N to the right while another person pulls with a force of 15N to the left.

• Pushing a box with a force of 10N to the right while another person pushes with a force of 10N to the left.

• A bike is speeding up down hill.

• A book resting on a table.

• All of the above.

Give an example of unbalanced forces.

• A team wins tug of war.

• A person standing still

• A bulb hanging from the ceiling.

• A book resting on a table

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What is the unit of mass?

Give daily life example with explaination to describe every action has reaction.

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