Science surpise me homework

Paul walks 200 metres in 40 seconds.  What is his speed in m/s?

• 50 m/s

• 5 m/s

• 12 m/s

• 23 m/s

How long would it take Mihir to run 100 metres if he runs at 10 m/s?

• 10 secs

• 45 secs

• 1 sec

• 23 sec

Which 4 are the types of friction?

• Static, sliding, rolling and fluid

• Static, sliding, moving and fluid

• Still, sliding, rolling and fluid

• Static, moving, rolling and fluid

Which forces are acting on this plane?

• A) Lift

  B) Drag

  C) Gravity

  D) Thrust

• A) Lift

  B) Thrust

  C) Gravity

  D) Drag

• A) Thrust

  B) Gravity

  C) Drag

  D) Lift

• A) Gravity

  B) Thrust

  C) Lift

  D) Drag

What is the weight of Tom on Earth, who has a mass of 50kg ?

• 132 N

• 65 N

• 500 N

• 402 N

What is the weight of Sarah on Earth, who has a mass of 62kg?

• 128 N

• 245 N

• 62 N

• 620 N

Force X is caused by...

• Gravity

• Friction

• Weight

Force Y is caused by...

• Air resistance

• Gravity

• Friction

Velocity

• Scalar

• Vector

Weight

• Scalar

• Vector