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Weight OALH

Last updated almost 5 years ago
46 questions
Note from the author:
To be used in conjuction with the OALH Weight lesson
Do Now
1

Which of these is not a contact force: air resistance, friction, magnetic force, tension?

1

Define "contact force"

1

Describe the difference between a scalar and a vector quantity

1

Define "accurate"

1

Give this number to 2 significant figures: 8570

1

Explain why air resistance is a contact force

Key Knowledge
1

Define weight

1

Define gravity

1

State which direction gravity acts

1

Define mass

1

Recall the equation to calculate weight

1

Define weight

1

Define gravity

1

State which direction gravity acts

1

Define mass

1

Recall the equation to calculate weight

1

Define weight

1

Define gravity

1

State which direction gravity acts

1

Define Mass

1

Recall the equation to calculate weight

Recall Quiz
1

The unit for weight is…

1

Mass is…

1

An object’s mass on earth is 10kg what will its mass be on the moon?

1

An object’s weight on earth is 100N what will its weight be on Saturn?

1

Weight is…

1

Gravity is…

1

A person falls towards the centre of earth because…

1

An objects weight is larger on Jupiter than on earth because…

You do
1

An object has a mass of 30kg on Earth, where the gravitational field strength is 9.8N/kg
Calculate the object’s weight

1

An object has a mass of 690kg on Earth, where the gravitational field strength is 9.8N/kg
Calculate the object’s weight

1

An object has a mass of 3.55kg on Earth, where the gravitational field strength is 9.8N/kg
Calculate the object’s weight

1

An object has a mass of 4000g on Earth, where the gravitational field strength is 9.8N/kg
Calculate the object’s weight

1

An object has a mass of 560000g on Earth, where the gravitational field strength is 9.8N/kg. Calculate the object’s weight

1

An object has a mass of 6750000g on Earth, where the gravitational field strength is 9.8N/kg. Calculate the object’s weight

1

An object has a mass of 497.4g on Earth. Calculate the object’s weight.

1

An object has a mass of 240000mg on Earth. Calculate the object’s weight.

1

An alien has a weight of 700kN on a planet with a gravitational strength of 0.2N/kg. Calculate the mass of the alien on this planet. What will the mass of the alien be on Earth?

1

An object on Jupiter, where there is a gravitational field strength of 25N/kg has a weight of 2mN. Calculate the mass of the object, write your answer in standard form.

1

An object on a moon with a gravitational field strength of 0.006N/kg has a weight of 5.7kN. Calculate the mass of the object, write your answer in standard form.

1

A car is accelerating at 15m/s2 due to being pushed with a force of 120N. The car is on earth where the gravitational field strength is 9.8N/kg. Calculate the weight of the car.

Plenary
1

Define weight

1

Define gravity

1

Write the equation that links weight, mass and gravitational field strength

1

State the gravitational field strength on earth

1

Convert 250g to kg