IB Physics SL A 2 13 Weight Questions

Practise IB Physics SL A.2.13 by calculating weight, resolving its components and representing gravitational force in diagrams.

Exam points

Calculate weight from mass and gravitational field strength, including when g changes at a different location.
Determine mass from density and volume before calculating the weight of an object.
Represent weight as a vertically downward vector with an appropriate direction and scale.
Resolve the component of weight acting down a slope using the geometry of the slope.

[Maximum number: 2]

A small ball of mass m is moving in a horizontal circle on the inside surface of a frictionless hemispherical bowl.

The normal reaction force N makes an angle $\theta$ to the horizontal.

On the diagram, construct an arrow of the correct length to represent the weight of the ball.

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