Force Calculation Practice

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec²

• 102.04 n

• 9,800 n

• 980 n

• 103 n

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A 50 kg skater pushed by a friend accelerates 5 m/sec².  How much force did the friend apply?

• 45 N

• 15 N 

• 10 N

• 250 N

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec².  What is the mass of the object?

• 100kg 

• 1,250kg

• 50kg

• 5kg

Tags

NGSS.MS-PS2-2

If you increase the force on an object, its acceleration? 

• decreases

• stays the same

• also increases

• stops

Tags

NGSS.MS-PS2-2

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 100 m/s²

• 25,000 m/s²

• 10 m/s²

• 25 m/s²

Tags

NGSS.MS-PS2-2

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

Tags

NGSS.MS-PS2-2

Is it BALANCED? 

• Yes

• No

Tags

NGSS.MS-PS2-2

A 29 kg bicycle slows to a stop at an intersection. The bike's acceleration is uniform at -0.8 m/s². What is the net force acting on the bicycle?

• -23.2 N

• 23.2 N

• 36.25 N

• -36.25 N

Tags

NGSS.MS-PS2-2

A softball player threw a 0.19 kg ball across the field. The softball leaves the player's hand with an acceleration of 395 m/s² to reach a speed of 24.5 m/s. What is the net force (to the nearest Newton) acting on the softball?

• 75 N

• 2,078 N

• 5 N

• 129 N

Tags

NGSS.MS-PS2-2

If a 2,000 kg van entered the highway with a force of 5,000 N, What is the vehicle's acceleration?

• 2.5 m/s²

• 2.5 m

• 0.4 m/s²

• 25 m/s²

Tags

NGSS.MS-PS2-2