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Wrong or Right?

1. Plastic deformation is permanent.

2. Cracking a nut is an example of elastic deformation.

1. Plastic deformation is permanent.

2. Cracking a nut is an example of elastic deformation.

A

Only statement 1 is Right

B

Only statement 2 is Right

C

Both statements are right

D

Both statements are wrong

How do you calculate the force of gravity on earth? (if m in kg)

A

Fg= m / 9.8

B

Fg = m

C

Fg = m * 9.8

D

Fg= 9.8 / m

Calculate the force due to gravity on a bucket of snow of 4.5 kg. Show calculation, answer and UNIT!

Which spring is the strongest?

A

Spring C

B

Spring D

Which spring is the strongest?

A

A

B

B

C

C

D

D

A spring is 20.5 cm long when nothing is hanging from it and 32.5 cm when a weight of 500 gram is hanging from it. Calculate the spring constant.

The unit of weight is

A

W

B

kg

C

N

D

F

The best definition of weight is

A

The force the earth exerts on an object

B

The weight is the same as the mass.

C

The force of gravity on an object

D

The force that an object exerts on its support

The best definition of Force of Gravity

A

The force the earth exerts on an object

B

The mass of an object

C

May the force be with you.

D

The force that an object exerts on its support

Lifting a rock of 10 kg on the planet Pluto requires only 6.6 N.

What is the value of g (in N/kg) there?

What is the value of g (in N/kg) there?

A

6.6

B

66

C

0.66

D

0.066

Why doesn't a planet fall in a straight line towards the Sun?

At which position should the 20 kg mass be placed to balance the seesaw?

A

2

B

3

C

4

D

6

At which position should the 20 kg mass be placed to balance the seesaw?

A

2

B

4

C

5

D

6

At which position should the 20 kg mass be placed to balance the seesaw?

A

2

B

3

C

4

D

5