F=MA Practice Problems

Calculate the acceleration of a 7,000 kg, single-engine airplane just before takeoff when the thrust of its engine is 10,000 N?

• 1.43 m/s²

• 17,000 m/s²

• 0.7 m/s²

• 70,000,000 m/s²

• 2.63 m/s²

Tags

NGSS.MS-PS2-2

How much force is needed to accelerate a 2000 kg linebacker at a rate of 6m/s^2?

• 333.33 N

• 0.003 N

• 12,000 N

• 2006 N

Tags

NGSS.MS-PS2-2

A 5 kg block is pulled across a table by a horizontal force of 40 N with a frictional force of 8 N opposing the motion. Calculate the acceleration of the object.

• 8 m/s²

• 6.4 m/s²

• 1.6 m/s²

• 9.6 m/s²

Tags

NGSS.MS-PS2-2

8. If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be the acceleration of the person riding the sled?

• 4 m/s²

• 5 m/s²

• 20 m/s²

• 6.67 m/s²

Tags

NGSS.MS-PS2-2

A bowling ball rolled with a force of 15 N accelerates at a rate of 3 m/sec²; a second ball rolled with the same force accelerates 4 m/sec². What are the masses of the second ball?

• 3.75 kg

• 5 kg

• 2.14 kg

• 60 kg

Tags

NGSS.MS-PS2-2

Your friend Mike has a car that accelerates at 5 m/s2 . If the car has a mass of 2000 kg, how much force does the car produce?

• 10,000 N

• 0.0025 N

• 400 N

• 2005 N

Tags

NGSS.MS-PS2-2

Mike challenges you to a race. On the first turn you run off the course and your car strikes a large bale of hay. Your car still produces 5000 N of force, but now it accelerates at only 2 m/s2 . What is the mass of the bale of hay is stuck to it?

• 10,000 kg

• 1,000 kg

• 2,500 kg

• 1,500 kg

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

You give a shopping cart a shove down the aisle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s² . How much force did you exert on the cart?

• 54 N

• 0.67 N

• 6 N

• 21 N

Tags

NGSS.MS-PS2-2

When you step on a Lego. You push on the Lego and the Lego pushes back on you.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Tags

NGSS.MS-PS2-2