# Physics - Forces - Set 1

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• 0.6
• 140
• 1.7
• 35
• 3.1
1 of 6

## 2. Which liquid has more upthrust?

• Wallpaper paste
• Water
• Cooking oil
• Washing-up liquid
• Orange juice

• 270m
• 330m
• 660m
• 30m
• 300m

## 4. Someone puts a brick in a liquid. They use a Newton Meter to measure things. Upthrust makes the brick (and any other object)...

• Create unbalanced forces, so the brick (and any other object) sinks.
• Float up to the surface of the liquid.
• Appear to weigh less, but it doesn't really. It's weight stays the same.
• Weigh less. Upthrust changes the weight.
• Balance with the forces around it.

## 5. A ship wants to sail to another country. What needs to happen for it to do that?

• Upthrust and gravity need to be balanced.
• There shouldn't be any upthrust or gravity.
• There needs to be more upthrust than gravity, or the ship will sink.
• There needs to be more gravity than upthrust, or the ship won't move properly.
• There needs to be unbalanced forces, or the ship won't work properly.