1.3.3 Weight equation WS
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A vase is placed on a table. Forces X and Y act on the vase, as shown in the diagram.

The mass of the vase is 0.25kg. The vase is not moving.

Calculate the value of force X in N.
3 points
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The diagram shows a raft floating on water.

A force of 20 000N acts on the raft in the direction of the arrow shown in the diagram.

Calculate the mass of the raft in kg.
3 points
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The diagram shows remote sensing equipment on the surface of a distant planet.

The mass of the equipment is 350kg. The acceleration of free fall on the surface of this planet is 7.5m/s².

Calculate the weight of the equipment on the planet in N.
2 points
The diagram shows a block of polythene.

The weight of the polythene block is 0.84N.

Calculate the mass of the block in g.
3 points
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The mass of a textbook is 1300g.

Calculate the weight of the textbook in N.
3 points
All the sides of a plastic cube are 8.0cm long. The diagram shows the cube, (not to scale).

The mass of the cube is 0.44kg.

On the Moon, the weight of the cube is 0.70N.

Calculate the gravitational field strength on the Moon in N/kg.
3 points
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A student collects 0.21kg of water.

Calculate the weight of this water in N.
2 points
The diagram shows a set of masses made from the same material.

The three largest masses are 2.5kg, 1.0kg and 0.5kg.

Calculate the combined weight of these three masses in N.
3 points
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A footballer has a mass of 72kg.

Calculate the weight of this footballer in N.
2 points
The mass of a wheelbarrow is 20kg. The mass of the load in the wheelbarrow is 30kg.

Calculate the total weight of the wheelbarrow and its load.
3 points
The diagram shows a sign that extends over a road.

The mass of the sign is 3.4×10³kg.

Calculate the weight 𝑊 of the sign in kN.
2 points
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The weight of a skydiver is 750N.

Calculate the mass of the skydiver in kg.
3 points
The diagram shows some masses on a mass hanger attached to an elastic band. The elastic band is stretched by the masses.

The total mass of the masses and the mass hanger is 300g.

Calculate the total weight of the masses and the mass hanger in N.
3 points
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A rectangular container has a base of dimensions 0.12m × 0.16m. The container is filled with a liquid. The mass of the liquid in the container is 4.8kg.

Calculate the weight of liquid in the container in N.
2 points
Calculate the mass of an object that has a weight of 6.0N in kg.
3 points
The diagram shows a vehicle that is designed to travel on snow.

The vehicle has four snow-tracks.

The weight of the vehicle is 4000N.

Calculate the mass of the vehicle in kg.
3 points
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The diagram shows a glass vase used for displaying flowers.

The mass of the glass is 450g. The volume of glass in the vase is 145cm³.

Calculate the weight of the glass in N.
3 points
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The diagram shows a large box with a heavy lid.

The weight of the box is 2250N.

Calculate the mass of the box in kg.
3 points
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A student drops a ball from a high window.

The mass of the ball is 0.12kg.

Calculate the weight of the ball in N.
2 points
The diagram shows a wooden raft. The raft is made from 8 logs.

The logs are all of the same type of wood.

The average mass of each log is 65.0kg.

Calculate the total weight of the raft in N.
3 points
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