Forces and Motion

• true 

• false

Which piece of scientific equipment is used to measure force?

• newtonmeter

• balance

• scales

Is friction greater when the two surfaces are smooth or rough?

• smooth

• rough

• none of these

True or False:

A horizontal line on a distance-time graph means the object is stationary.

• true

• false

Is weight or mass caused by the Earth’s gravity?

• weight

• mass

Is gravity greater on the Earth or Moon?

• Earth

• Moon

Tags

NGSS.MS-PS2-4

True or false:

A curved line on a distance-time graph can represent an object that is accelerating or decelerating.

• true

• false

True or false:

An object’s mass tell us how much matter it is made of.

• true

• false

Name the force that makes objects weigh less in water than in air.

• thrust

• air resistance

• drag

• upthrust

True or false:

If the forces acting on an object are equal and opposite, it will remain stationary or move at a constant speed.

• true

• false