Force and energy

Force cannot change the speed or direction of an object.

• True

• False

Tags

NGSS.MS-PS2-2

Stationary describes an object that is not moving, or is at rest.

• True

• False

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

• work

• energy

• motion

Frictional force always opposes................. .

• the state of rest

• the state of motion

• Both the states

• None of the above

Which force is so low that it causes the man to slip and fall?

• Gravity
• Friction
• Air Resistance
• Motion

Tags

NGSS.MS-PS2-2

..................... energy is used to operate and run computers.

• Thermal

• Electrical

• Nuclear

• Solar

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In what condition the magnetic poles attract each other?

• South-South

• North-North

• North-South

• All of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What force is pulling the apple down?

• Buoyant force

• Elastic force

• Gravitational force

• Weight

Tags

NGSS.MS-PS2-4

When we throw anything in air it always falls down because of _____

• Friction

• Gravity

• Solid

• motion

Tags

NGSS.MS-PS2-4