4.1-3 Newton's laws and lifting problems

A custodian lifts a 1.0-kg bucket. What is the weight of the bucket?

• -9.8 N

• -1 kg

• -19.6 N

• -29.4 N

• -39.2 N

Tags

NGSS.MS-PS2-2

A custodian lifts a 1.0-kg bucket with a force of 5 N, will he be able to lift it?

• No, 5 N is less than 9.8 N

• Yes, 5 N is more than 1 kg

• Yes, but it will accelerate slowly upwards

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NGSS.MS-PS2-4

A custodian lifts a 1.0-kg bucket with a force of 10 N, will he be able to lift it?

• No, 10 N is not enough

• Yes, 10 > 9.8

• Yes, 10 > 1

Tags

NGSS.MS-PS2-4

A custodian lifts a 1.0-kg bucket with a force of 10 N, what is the net force on the bucket?

• 0 N

• 0.2 N

• 9 N

• 10 N

• 19.8 N

Tags

NGSS.MS-PS2-2

A custodian lifts a 2.0-kg bucket with a force of 20 N, what is the net force on the bucket?

• 0.4 N

• 0 N

• 20 N

• 10 N

• 39.6 N

Tags

NGSS.MS-PS2-2

When you want to lift an object that is at rest, you must exert a force bigger than _____.

• the weight.

• the friction

• the mass.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If you have a book on top of your hand, in order to hold it at rest, you must exert a force_____.

• bigger than the weight

• equal to the weight

• bigger than friction

• less than the weight

• less than the mass

Tags

NGSS.HS-PS2-1

If you have a book on top of your hand, in order to lower it to the table, you must exert a force _____.

• bigger than the weight

• equal to the weight

• bigger than friction

• less than the weight

• less than the mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A custodian lifts a 3.0-kg bucket with a force of 30 N, will he be able to lift it?

• No, 30 N is not enough

• Yes, 30 > 29.4

• Yes, 30 > 3

Tags

NGSS.MS-PS2-2

A custodian lifts a 2.0-kg bucket. What is the weight of the bucket?

• -19.6 N

• -2 kg

• -39.2 N

• -58.8 N

• -78.4 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4