F=ma

What is the unit for force?

• kg

• N

• m/s^2

• N/m

Arnold Schwarzenegger once was able to bench press 227 kg, what force did Arnold exert to lift the weights up.

• -2227 N

• +2227 N

• +23.1 N

• -23.1 N

Tags

NGSS.HS-PS2-1

Arnold Schwarzenegger's weight during bodybuilder competitions was 1100 N. What is his mass in kilograms? Round your answer to three digits.

(a)  

Tags

NGSS.HS-PS2-1

A chameleon with a mass of 0.12 kg is at rest on a vine. What is the normal force on the chameleon?

Use + or - to state direction. Label your units. Put a space between the number and the unit.

(a)  

Tags

NGSS.MS-PS2-2

What is the net force on the box? State the magnitude and direction (using - or +).

(a)  

Tags

NGSS.MS-PS2-2

What is the net force on the box? State the magnitude and direction (as - or +).

(a)  

Tags

NGSS.MS-PS2-2

If the mass of a box is 25 kg and the net force is + 13 N, what is the acceleration?

• +325 m/s^2

• +1.92 m/s^2

• +0.52 m/s^2

• +38 m/s^2

Tags

NGSS.MS-PS2-2

If the mass of an object is 2.6 kg and the acceleration is -6.2 m/s^2, what is the net force?

• -16 N

• -0.42 N

• -2.4 N

• -8.8 N

Tags

NGSS.MS-PS2-2

A 0.20 kg mass hangs on a spring. What is the magnitude of the force the mass exerts on the spring? Label your units.

(a)  

Tags

NGSS.MS-PS2-2

A person is slapped in the face with a fish with a force of -210.0 N. What is the magnitude and direction of the force of the person's face on the fish?

(a)  

Tags

NGSS.MS-PS2-1