Gr 4 - Force, Work and Energy

Force is a ______ or ______ applied on an object.

• push, pull

• position , location

• motion, rest

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Force cannot change the speed or direction of an object.

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

_____ is said to be done when force moves an object.

• work

• energy

• motion

The ability or capacity to do work is called _____.

• energy

• force

• work

_____ gives us energy to do various activities.

• food

• water

• work

Tags

NGSS.MS-LS1-7

What is gravity?

• a pulling force between two objects

• the ability to do work

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

A football is kicked by a boy. It rolls on the ground to some distance and stops. The force which stops the ball is _______.

• muscular force

• gravitational force

• mechanical force

• frictional force

Tags

NGSS.MS-PS2-2

This picture shows an example of what type simple machine?

• pulley

• wedge

• lever

• wheel and axle

Which one is NOT a simple machine?

• pulley

• stick

• lever

• screw

The ______________ is a flat surface that is raised so one end is higher than the other.

• inclined plane

• lever

• pulley

• wedge