FORCE, SPEED, ENERGY

When two people are pushing a car with equal forces on both ends, and each applied a force of 10N, OR 10 newton force. Calculate the NET FORCE. (Hint: You subtract)

• 20 newton

• 0 newton

• 5 N

• 30 newton

Tags

NGSS.MS-PS2-2

When the forces acting on an object is equal to zero newton, (0 N), is it a balanced or unbalanced force?

• balanced force

• unbalaced force

Tags

NGSS.MS-PS2-2

How can you change a balanced force to an unbalanced force if two people are pushing a stalled car?

• They should push in opposite direction. with equal force.

• They should push in the same direction. with equal force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Draw the picture of a car that is being pushed by two people in the same direction. Use arrows to show or represent the forces.

Tags

NGSS.MS-PS2-1

Does your sketch show balanced or unbalanced forces because the car is moving?

• balanced forces

• Unbalanced forces

Tags

NGSS.MS-PS2-2

A floatplane lands on water on a habour or sea port. When the floats touch the water, the plane slows down. to a stop. Are the forces on the plane balanced or unbalanced?

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

What type of force does the water exert on the plane's float, which causes the motion of the plane to slow down to a stop?

• Frictional force

• physical force

Tags

NGSS.MS-PS2-2

Skecth or draw the floatplane at the moment of landing on water using arrows to represent the forces on the plane,

Tags

NGSS.MS-PS2-1

If you roll a marble slowly, did you apply greater force or lesser force?

• lesser force

• greater force

Tags

NGSS.MS-PS2-2

When you roll a marble faster, did you apply greater force or lesser force to it?

• greater force

• lesser force

Tags

NGSS.MS-PS2-2