Net Force and Speed

How much force is needed to accelerate a 25kg bowling ball at 2m/s². 

• 50N

• 5N

• 12.5N

• 100N

Tags

NGSS.MS-PS2-2

What is the mass of an object that requires a force of 25 N to accelerate at 5 m/s²? ____ kg

Tags

NGSS.MS-PS2-2

A student uses a magnet to move a 0.025 kg metal ball. The magnet exerts a force of 5 N, which causes the ball to begin moving. What is the acceleration of the ball when it begins to move? ____ m/s²

Tags

NGSS.MS-PS2-2

Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?

• Balanced

• Unbalanced

The sum of all forces acting on an object and direction

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

Tags

NGSS.MS-PS2-2

Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?

• Balanced

• Unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which way is the object moving?

• it's either not moving or moving at a constant speed due to balanced forces

• to the right

• to the bottom

• up

Tags

NGSS.MS-PS2-2

A car is moving with a constant speed of 60 km/h. If the net force acting on the car is zero, what can be said about the car's motion?

• The car is accelerating.

• The car is decelerating.

• The car is moving at a constant speed.

• The car is at rest.

An object is moving with a constant velocity. What is the net force acting on the object?

• Greater than zero

• Less than zero

• Equal to zero

• Cannot be determined

A 10 kg object is subjected to a net force of 50 N. What is the acceleration of the object?

• 5 m/s^2

• 10 m/s^2

• 15 m/s^2

• 20 m/s^2

Tags

NGSS.MS-PS2-2