net force

Mr. Gaither made a 10kg bike accelerate 10m/s2. How much force did he apply to the bike?

• 100N

• 20N

• 1N

• 40N

Tags

NGSS.MS-PS2-2

Gaither used 100 N of force to make a 5kg object accelerate. What was the acceleration of the object?

• 95 m/s2

• 20 m/s2

• 105 m/s2

• 500 m/s2

Tags

NGSS.MS-PS2-2

Gaither pushed with 200N of force to make an object accelerate to 5 m/s2. What was the mass of the object?

• 40 kg

• 205 kg

• 195 kg

• 1000 kg

Tags

NGSS.MS-PS2-2

An object at rest will stay at rest until _______

• It is hit with a balanced force

• it is hit with any force

• it is hit with an unbalanced force

• no way to know

Tags

NGSS.HS-PS2-1

Objects that are experiencing balanced forces move

• faster than those that are unbalanced

• slower than those that are unbalanced

• at a constant speed

• with a change in direction

Tags

NGSS.MS-PS2-2

Objects change motion because of

• balanced forces

• unbalanced forces

• all forces move objects

Tags

NGSS.MS-PS2-2

The force that pushes in the direction AGAINST motion when 2 surfaces touch is called

• air resistance

• surface resistance

• friction

• gravity

A small child is trying to push a cart. He can only push with 15N of force. The force of friction is 20N of force. Will the cart move?

• yes, to the right

• yes, to the left

• no, it will stay put

Tags

NGSS.MS-PS2-2

Mr. Gaither was driving 60mph for 6 hours. How FAR did he go?

• 360 miles

• 10miles

• 66 miles

• 54 miles

Mr. Gaither drove to Las Vegas. The distance was 320 miles. His average speed was 80 miles per hour. How long did the drive take?

• 240 hours

• 400 hours

• 4 hours

• .033