PHYSIC CHALLENGE

Peanut ran 50 meters in 10 seconds.  What was Peanut's average speed?

• 2 m/s
• 5 km/h
• 5 m/s
• 5 m/s North

When a skydiver is falling through the air, they are in free fall.

• True 
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

When an object has a net force of 0 N, it is an example of what kind of force?

• Balanced
• Unbalanced
• Acceleration
• Gravity

The force of __________________ is a type of friction that works against the motion of falling objects.

• Terminal Velocity
• Gravity
• Free Fall
• Air Resistance

A force is a ____________________

• push or pull
• motion
• speed
• net force

The net force is 

• The force you feel when you catch a fish in a net
• The force acting upward on a sky diver
• the combination of all of the forces acting on an object
• always unbalanced

Tags

NGSS.MS-PS2-2

Which of the following power factor and it’s prefix is correct ?

• 10 ^-6 kilo

• 10 ^-3 mili

• 10 ^-2 hecto

• 10^-1 deca

Diagram 1 shows two strips of ticker tapes which were attached to two moving trolleys X and Y.

Which statement is correct?

• The time taken by both trolleys are the same

• The distance travelled by both trolleys are the same

• The velocity of both trolleys are the same

The greater the mass of an object,

• the easier the object starts moving.

• the greater its inertia.

• the more balanced it is.

• the more space it takes up.

Tags

NGSS.HS-PS2-1

The force of gravity on a person or object on the surface of a planet is called

• mass.

• weight.

• terminal velocity

• free fall.

Tags

NGSS.MS-PS2-4