Newton's Laws and Forces

If a 10 kilogram object had a force of 50 newton's applied to it, what would its acceleration be?

• 15 m/s^2

• 5 m/s^2

• .5 m/s^2

• 10 m/s^2

Tags

NGSS.MS-PS2-2

What object will have more momentum a 1000 kg truck moving 7 m/s or a 500 kg car moving 10 m/s

• Truck

• Car

Tags

NGSS.MS-PS3-1

What force slows objects down and keeps them from moving?

• Acceleration

• Gravity

• Friction

• Net Force

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car

• bike

• they are equal

• cannot determine using the info provided

A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 

• 55 kg*m/s

• 100 kg*m/s

• 250 kg*m/s

• 500 kg*m/s

Tags

NGSS.MS-PS3-1

This game of tug of war is an example of _________ forces.

• unbalanced

• balanced

• potential

• net zero

Tags

NGSS.MS-PS2-1

What effect does friction have on a moving object?

• it causes the moving object to slow and eventually stop

• it causes the moving object to speed up

• it keeps the moving object moving in the same direction forever

• it causes the moving object to turn around and move in the opposite direction

acceleration of an abject depends on its ___ as well as the force exerted on it.

• mass

• momentum

• direction

Tags

NGSS.MS-PS2-2

__ is a force that opposes the motion of objects that move through the air.

• rolling friction

• static friction

• air resistance

• gravity

The amount of __ between two surfaces depends on the kinds of surfaces and the force pressing the surfaces together.