work and force

what is force ?

• work

• The push or pull needed to move an object

• the type of force which help us to slowdown the movement

• none of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

what is balanced force ?

• work

• The push or pull needed to move an object

• the two forces acting in opposite directions on an object, and equal in size.

• none of the above

what is unbalanced force ?

• forces that cause a change in the motion of an object

• The push or pull needed to move an object

• the two forces acting in opposite directions on an object, and equal in size.

• none of the above

Tags

NGSS.MS-PS2-2

choose all of which force can do

(hint: there are 4 things which force can do here)

• it can make things move.

• The push or pull needed to move an object

• It can increase the speed of moving object.

• It can stop or slowdown the movement of a body.

• It can change the direction of a moving object

Tags

NGSS.MS-PS2-2

what is friction?

• it can make things move.

• The push or pull needed to move an object

• It can increase the speed of moving object.

• The type of force which help us to slowdown the movement of an object

what is gravity?

• it can make things move.

• The force which pulls things back to the ground

• It can increase the speed of moving object.

• The type of force which help us to slowdown the movement of an object

Tags

NGSS.5-PS2-1

when is work done?

• work is done when it can make things move.

• The force which pulls things back to the ground

• Work is done when an object or a body moves through a distance , or change its shape

• the work is done by type of force which help us to slowdown the movement of an object

Tags

NGSS.MS-PS3-5

when is a work not done?

• work is not done when it can make things move.

• The force which pulls things back to the ground

• Work is not done when an object or a body moves through a distance , or change its shape

• When there is no movement