Forces and their effects yr 7 quiz

Which force does NOT act against the movement of this skier?

• drag

• air resistance

• thrust

• friction

Which force is keeping this swimmer floating in the water?

• water resistance

• thrust

• upthrust

• weight

What units are forces measured in?

• Joules

• Amps

• Newtons

• Degrees Celsius

On Earth, 1kg causes a weight of approximately 10N. What would the boy's weight be?

• 50N

• 5N

• 250N

• 500N

This astronaut is on the moon so his...

• mass and weight would be different to on Earth

• mass and weight would be the same as on Earth

• weight would increase but his mass stay the same

• weight would decrease but his mass would stay the same

On which planet would an object weigh the least?

• Jupiter

• Mars

• Mercury

• Saturn

Which surface is likely to have caused the least friction?

• smooth top table

• bumpy floor tiles

• woolly carpet

For this investigation what is the independent variable?

• The distance the car has travelled

• The surface after the ramp

• The height of the ramp

Which of these would be a control variable for this investigation?

• The distance travelled by the car

• The size and shape of the car

• The surface used

The students are carrying out an investigation into friction. If they add more masses to the wooden block, how will this affect the force needed to pull the block along?

• The force will stay the same

• The force needed will decrease

• The force needed will increase